Supported Characteristics and Services¶

This page lists all GATT characteristics and services currently supported by the library.

!!! note “Auto-Generated” This page is automatically generated from the codebase by scripts/generate_char_service_list.py. The list is updated when new characteristics or services are added. See Adding Characteristics to learn how to contribute new characteristics.

Characteristics¶

The library currently supports 294 GATT characteristics:

Alert Notification¶

Characteristic	UUID	Description
Alert Notification Control Point	`00002A44-0000-1000-8000-00805F9B34FB`	The Alert Notification Control Point characteristic is used to enable device-specific procedures related to alert notification.
New Alert	`00002A46-0000-1000-8000-00805F9B34FB`	The New Alert characteristic is used to represent the category of the alert, how many new alerts of that category have occurred in a device and brief text information for the last alert.
Supported New Alert Category	`00002A47-0000-1000-8000-00805F9B34FB`	The Supported New Alert Category characteristic is used to represent the category that the server supports for a new alert.
Supported Unread Alert Category	`00002A48-0000-1000-8000-00805F9B34FB`	The Supported Unread Alert Category characteristic is used to represent the category that the server supports for an unread alert.
Unread Alert Status	`00002A45-0000-1000-8000-00805F9B34FB`	The Unread Alert Status characteristic is used to represent the number of unread alerts in the specific category.

Automation IO¶

Characteristic	UUID	Description
Average Current	`00002AE0-0000-1000-8000-00805F9B34FB`	The Average Current characteristic is used to represent average electric current over a period of time.
Average Voltage	`00002AE1-0000-1000-8000-00805F9B34FB`	The Average Voltage characteristic is used to represent average voltage over a period of time.
Electric Current	`00002AEE-0000-1000-8000-00805F9B34FB`	The Electric Current characteristic is used to represent an electric current.
Voltage	`00002B18-0000-1000-8000-00805F9B34FB`	The Voltage characteristic is used to represent a measure of positive electric potential difference.

Battery¶

Characteristic	UUID	Description
Battery Level	`00002A19-0000-1000-8000-00805F9B34FB`	The Battery Level characteristic is used to represent the charge level of a battery.
Battery Level Status	`00002BED-0000-1000-8000-00805F9B34FB`	The Battery Level Status characteristic is used to represent the power state of a battery, an identifier used to identify the specific battery associated with the data, and the battery level.

Blood Pressure¶

Characteristic	UUID	Description
Blood Pressure Feature	`00002A49-0000-1000-8000-00805F9B34FB`	The Blood Pressure Feature characteristic is used to represent the supported features of a blood pressure sensor.
Blood Pressure Measurement	`00002A35-0000-1000-8000-00805F9B34FB`	The Blood Pressure Measurement characteristic is used to represent blood pressure measurement data.
Intermediate Cuff Pressure	`00002A36-0000-1000-8000-00805F9B34FB`	The Intermediate Cuff Pressure characteristic is used to send intermediate Cuff Pressure values to a device for display purposes while a measurement is in progress.

Body Composition¶

Characteristic	UUID	Description
Body Composition Feature	`00002A9B-0000-1000-8000-00805F9B34FB`	The Body Composition Feature characteristic is used to represent the supported features of a body composition sensor.
Body Composition Measurement	`00002A9C-0000-1000-8000-00805F9B34FB`	The Body Composition Measurement characteristic is used to represent data related to a body composition measurement.

Bond Management¶

Characteristic	UUID	Description
Bond Management Control Point	`00002AA4-0000-1000-8000-00805F9B34FB`
Bond Management Feature	`00002AA5-0000-1000-8000-00805F9B34FB`

Current Time¶

Characteristic	UUID	Description
Current Time	`00002A2B-0000-1000-8000-00805F9B34FB`	The Current Time characteristic is used to represent the exact time and the reason for adjustment.
Local Time Information	`00002A0F-0000-1000-8000-00805F9B34FB`	The Local Time Information characteristic is used to represent the relation (offset) between local time and UTC.
Reference Time Information	`00002A14-0000-1000-8000-00805F9B34FB`	The Reference Time Information characteristic is used to represent information about the reference time source.

Cycling Power¶

Characteristic	UUID	Description
Cycling Power Control Point	`00002A66-0000-1000-8000-00805F9B34FB`	The Cycling Power Control Point characteristic is used to enable device-specific procedures related to a cycling power sensor.
Cycling Power Feature	`00002A65-0000-1000-8000-00805F9B34FB`	The Cycling Power Feature characteristic is used to represent the supported features of a cycling power sensor.
Cycling Power Measurement	`00002A63-0000-1000-8000-00805F9B34FB`	The Cycling Power Measurement characteristic is used to represent data related to a cycling power sensor.
Cycling Power Vector	`00002A64-0000-1000-8000-00805F9B34FB`	The Cycling Power Vector characteristic is used to represent power vector data related to a cycling power sensor.

Device Information¶

Characteristic	UUID	Description
Firmware Revision String	`00002A26-0000-1000-8000-00805F9B34FB`	The Firmware Revision String characteristic is used to represent the revision of the firmware within the device.
Hardware Revision String	`00002A27-0000-1000-8000-00805F9B34FB`	The Hardware Revision String characteristic is used to represent the hardware revision for the hardware within the device.
Manufacturer Name String	`00002A29-0000-1000-8000-00805F9B34FB`	The Manufacturer Name String characteristic is used to represent the name of the manufacturer of the device.
Model Number String	`00002A24-0000-1000-8000-00805F9B34FB`	The Model Number String characteristic is used to represent the model number assigned by the device vendor.
Serial Number String	`00002A25-0000-1000-8000-00805F9B34FB`	The Serial Number String characteristic is used to represent the serial number for a device.
Software Revision String	`00002A28-0000-1000-8000-00805F9B34FB`	The Software Revision String characteristic is used to represent the revision of the software within the device.

Environmental Sensing¶

Characteristic	UUID	Description
Ammonia Concentration	`00002BCF-0000-1000-8000-00805F9B34FB`	The Ammonia Concentration characteristic is used to represent a measure of ammonia (NH₃) concentration.
Apparent Wind Direction	`00002A73-0000-1000-8000-00805F9B34FB`	The Apparent Wind Direction characteristic is used to represent the apparent wind direction.
Apparent Wind Speed	`00002A72-0000-1000-8000-00805F9B34FB`	The Apparent Wind Speed characteristic is used to represent the apparent wind speed.
Barometric Pressure Trend	`00002AA3-0000-1000-8000-00805F9B34FB`	The Barometric Pressure Trend characteristic is used to represent the trend observed for barometric pressure.
Dew Point	`00002A7B-0000-1000-8000-00805F9B34FB`	The Dew Point characteristic is used to represent the dew point.
Elevation	`00002A6C-0000-1000-8000-00805F9B34FB`	The Elevation characteristic is used to represent the elevation.
Heat Index	`00002A7A-0000-1000-8000-00805F9B34FB`	The Heat Index characteristic is used to represent the heat index.
Humidity	`00002A6F-0000-1000-8000-00805F9B34FB`	The Humidity characteristic is used to represent the humidity.
Methane Concentration	`00002BD1-0000-1000-8000-00805F9B34FB`	The Methane Concentration characteristic is used to represent a measure of methane (CH₄) concentration.
Nitrogen Dioxide Concentration	`00002BD2-0000-1000-8000-00805F9B34FB`	The Nitrogen Dioxide Concentration characteristic is used to represent a measure of nitrogen dioxide (NO₂) concentration.
Non-Methane Volatile Organic Compounds Concentration	`00002BD3-0000-1000-8000-00805F9B34FB`	The Non-Methane Volatile Organic Compounds Concentration characteristic is used to represent a measure of non-methane volatile organic compounds (NMVOCs) concentration.
Ozone Concentration	`00002BD4-0000-1000-8000-00805F9B34FB`	The Ozone Concentration characteristic is used to represent a measure of ozone (O₃) concentration.
Pollen Concentration	`00002A75-0000-1000-8000-00805F9B34FB`	The Pollen Concentration characteristic is used to represent the pollen count.
Pressure	`00002A6D-0000-1000-8000-00805F9B34FB`	The Pressure characteristic is used to represent pressure.
Rainfall	`00002A78-0000-1000-8000-00805F9B34FB`	The Rainfall characteristic is used to represent the amount of rain that has fallen.
Sulfur Dioxide Concentration	`00002BD8-0000-1000-8000-00805F9B34FB`	The Sulfur Dioxide Concentration characteristic is used to represent a measure of sulfur dioxide (SO₂) concentration.
Temperature	`00002A6E-0000-1000-8000-00805F9B34FB`	The Temperature characteristic is used to represent a temperature.
True Wind Direction	`00002A71-0000-1000-8000-00805F9B34FB`	The True Wind Direction characteristic is used to represent the true wind direction.
True Wind Speed	`00002A70-0000-1000-8000-00805F9B34FB`	The True Wind Speed characteristic is used to represent the true wind speed.
Wind Chill	`00002A79-0000-1000-8000-00805F9B34FB`	The Wind Chill characteristic is used to represent the wind chill factor.

Fitness Machine¶

Characteristic	UUID	Description
Cross Trainer Data	`00002ACE-0000-1000-8000-00805F9B34FB`	The Cross Trainer Data characteristic is used to represent data related to cross trainer activity.
Indoor Bike Data	`00002AD2-0000-1000-8000-00805F9B34FB`	The Indoor Bike Data characteristic is used to represent data related to the use of an indoor bike.
Rower Data	`00002AD1-0000-1000-8000-00805F9B34FB`	The Rower Data characteristic is used to represent data related to a rowing device.
Stair Climber Data	`00002AD0-0000-1000-8000-00805F9B34FB`	The Stair Climber Data characteristic is used to represent data related to a stair climber device.
Step Climber Data	`00002ACF-0000-1000-8000-00805F9B34FB`	The Step Climber Data characteristic is used to represent data related to a step climber device.
Supported Heart Rate Range	`00002AD7-0000-1000-8000-00805F9B34FB`	The Supported Heart Rate Range characteristic is used to represent the heart rate range supported by a fitness machine.
Supported Inclination Range	`00002AD5-0000-1000-8000-00805F9B34FB`	The Supported Inclination Range characteristic is used to represent the inclination range supported by a fitness machine.
Supported Power Range	`00002AD8-0000-1000-8000-00805F9B34FB`	The Supported Power Range characteristic is used to represent the power range supported by a fitness machine.
Supported Resistance Level Range	`00002AD6-0000-1000-8000-00805F9B34FB`	The Supported Resistance Level Range characteristic is used to represent the resistance level range supported by a fitness machine.
Supported Speed Range	`00002AD4-0000-1000-8000-00805F9B34FB`	The Supported Speed Range characteristic is used to represent the speed range supported by a fitness machine.
Treadmill Data	`00002ACD-0000-1000-8000-00805F9B34FB`	The Treadmill Data characteristic is used to represent data related to a treadmill.

GAP¶

Characteristic	UUID	Description
Appearance	`00002A01-0000-1000-8000-00805F9B34FB`
Device Name	`00002A00-0000-1000-8000-00805F9B34FB`

GATT¶

Characteristic	UUID	Description
Service Changed	`00002A05-0000-1000-8000-00805F9B34FB`

Glucose¶

Characteristic	UUID	Description
Glucose Feature	`00002A51-0000-1000-8000-00805F9B34FB`	The Glucose Feature characteristic is used to represent the supported features of a glucose sensor.
Glucose Measurement	`00002A18-0000-1000-8000-00805F9B34FB`	The Glucose Measurement characteristic is used to represent data related to a glucose measurement record.
Glucose Measurement Context	`00002A34-0000-1000-8000-00805F9B34FB`	The Glucose Measurement Context characteristic is used to represent context information associated with a glucose measurement record.

Health Thermometer¶

Characteristic	UUID	Description
Temperature Measurement	`00002A1C-0000-1000-8000-00805F9B34FB`	The Temperature Measurement characteristic is used to represent data related to a temperature measurement.

Heart Rate¶

Characteristic	UUID	Description
Heart Rate Measurement	`00002A37-0000-1000-8000-00805F9B34FB`	The Heart Rate Measurement characteristic is used to represent data related to a heart rate measurement.

Human Interface Device¶

Characteristic	UUID	Description
Protocol Mode	`00002A4E-0000-1000-8000-00805F9B34FB`
Report	`00002A4D-0000-1000-8000-00805F9B34FB`
Report Map	`00002A4B-0000-1000-8000-00805F9B34FB`

Immediate Alert¶

Characteristic	UUID	Description
Alert Level	`00002A06-0000-1000-8000-00805F9B34FB`	The Alert Level characteristic is used to represent the level of an alert.

Indoor Positioning¶

Characteristic	UUID	Description
Altitude	`00002AB3-0000-1000-8000-00805F9B34FB`
Floor Number	`00002AB2-0000-1000-8000-00805F9B34FB`
Indoor Positioning Configuration	`00002AAD-0000-1000-8000-00805F9B34FB`
Latitude	`00002AAE-0000-1000-8000-00805F9B34FB`
Local East Coordinate	`00002AB1-0000-1000-8000-00805F9B34FB`
Local North Coordinate	`00002AB0-0000-1000-8000-00805F9B34FB`
Location Name	`00002AB5-0000-1000-8000-00805F9B34FB`
Longitude	`00002AAF-0000-1000-8000-00805F9B34FB`
Uncertainty	`00002AB4-0000-1000-8000-00805F9B34FB`

Link Loss¶

Characteristic	UUID	Description
Alert Level	`00002A06-0000-1000-8000-00805F9B34FB`	The Alert Level characteristic is used to represent the level of an alert.

Location and Navigation¶

Characteristic	UUID	Description
Navigation	`00002A68-0000-1000-8000-00805F9B34FB`	The Navigation characteristic is used to represent data related to a navigation sensor.
Position Quality	`00002A69-0000-1000-8000-00805F9B34FB`	The Position Quality characteristic is used to represent data related to the quality of a position measurement.

Phone Alert Status¶

Characteristic	UUID	Description
Alert Status	`00002A3F-0000-1000-8000-00805F9B34FB`	The Alert Status characteristic is used to represent the status of a phone alert.
Ringer Control Point	`00002A40-0000-1000-8000-00805F9B34FB`	The Ringer Control Point characteristic is used to enable device-specific procedures for a ringer in a phone.
Ringer Setting	`00002A41-0000-1000-8000-00805F9B34FB`	The Ringer Setting characteristic is used to represent the setting of the ringer.

Reference Time Update¶

Characteristic	UUID	Description
Time Update Control Point	`00002A16-0000-1000-8000-00805F9B34FB`	The Time Update Control Point characteristic is used to enable device-specific procedures related to a time server.
Time Update State	`00002A17-0000-1000-8000-00805F9B34FB`	The Time Update State characteristic is used to represent the status of the time update process and the result of the last update in a time server.

Scan Parameters¶

Characteristic	UUID	Description
Scan Interval Window	`00002A4F-0000-1000-8000-00805F9B34FB`

Tx Power¶

Characteristic	UUID	Description
Tx Power Level	`00002A07-0000-1000-8000-00805F9B34FB`	The Tx Power Level characteristic is used to represent the current radiated transmit power level.

User Data¶

Characteristic	UUID	Description
Activity Goal	`00002B4E-0000-1000-8000-00805F9B34FB`	The Activity Goal characteristic is used to represent the goal or target of a user, such as number of steps or total energy expenditure, related to a physical activity session.
Aerobic Heart Rate Lower Limit	`00002A7E-0000-1000-8000-00805F9B34FB`	The Aerobic Heart Rate Lower Limit characteristic is used to represent the desired lower limit of the heart rate, where a user enhances his or her endurance while exercising.
Aerobic Heart Rate Upper Limit	`00002A84-0000-1000-8000-00805F9B34FB`	The Aerobic Heart Rate Upper Limit characteristic is used to represent the desired upper limit of the heart rate, where a user enhances his or her endurance while exercising.
Aerobic Threshold	`00002A7F-0000-1000-8000-00805F9B34FB`	The Aerobic Threshold characteristic is used to represent the aerobic threshold of a user.
Age	`00002A80-0000-1000-8000-00805F9B34FB`	The Age characteristic is used to represent the age of a user.
Anaerobic Heart Rate Lower Limit	`00002A81-0000-1000-8000-00805F9B34FB`	The Anaerobic Heart Rate Lower Limit characteristic is used to represent the desired lower limit of the heart rate, where a user enhances his or her anaerobic tolerance while exercising.
Anaerobic Heart Rate Upper Limit	`00002A82-0000-1000-8000-00805F9B34FB`	The Anaerobic Heart Rate Upper Limit characteristic is used to represent the desired upper limit of the heart rate, where a user enhances his or her anaerobic tolerance while exercising.
Anaerobic Threshold	`00002A83-0000-1000-8000-00805F9B34FB`	The Anaerobic Threshold characteristic is used to represent the anaerobic threshold of a user.
Caloric Intake	`00002B50-0000-1000-8000-00805F9B34FB`	The Caloric Intake characteristic is used to represent the calorie intake per day of a user.
Device Wearing Position	`00002B4B-0000-1000-8000-00805F9B34FB`	The Device Wearing Position characteristic is used to represent the position where a user is wearing the device.
Email Address	`00002A87-0000-1000-8000-00805F9B34FB`	The Email Address characteristic is used to represent the email address of a user.
Fat Burn Heart Rate Lower Limit	`00002A88-0000-1000-8000-00805F9B34FB`	The Fat Burn Heart Rate Lower Limit characteristic is used to represent the desired lower limit of the heart rate, where a user maximizes the fat burn while exercising.
Fat Burn Heart Rate Upper Limit	`00002A89-0000-1000-8000-00805F9B34FB`	The Fat Burn Heart Rate Upper Limit characteristic is used to represent the desired upper limit of the heart rate, where a user maximizes the fat burn while exercising.
First Name	`00002A8A-0000-1000-8000-00805F9B34FB`	The First Name characteristic is used to represent the first name of a user.
Five Zone Heart Rate Limits	`00002A8B-0000-1000-8000-00805F9B34FB`	The Five Zone Heart Rate Limits characteristic is used to represent the limits between the heart rate zones for the five-zone heart rate definition (Maximum, Hard, Moderate, Light, and Very Light) of a user.
Four Zone Heart Rate Limits	`00002B4C-0000-1000-8000-00805F9B34FB`	The Four Zone Heart Rate Limits characteristic is used to represent the limits between the heart rate zones for the four-zone heart rate definition (Maximum, Hard, Moderate, and Light) of a user.
Gender	`00002A8C-0000-1000-8000-00805F9B34FB`	The Gender characteristic is used to represent the gender of a user.
Handedness	`00002B4A-0000-1000-8000-00805F9B34FB`	The Handedness characteristic is used to represent the handedness of a user.
Heart Rate Max	`00002A8D-0000-1000-8000-00805F9B34FB`	The Heart Rate Max characteristic is used to represent the maximum heart rate of a user which the user intends not to exceed.
Height	`00002A8E-0000-1000-8000-00805F9B34FB`	The Height characteristic is used to represent the height of a user.
High Intensity Exercise Threshold	`00002B4D-0000-1000-8000-00805F9B34FB`	The High Intensity Exercise Threshold characteristic is used to represent the high intensity exercise threshold of a user.
High Resolution Height	`00002B47-0000-1000-8000-00805F9B34FB`	The High Resolution Height characteristic is used to represent the height of a user and is used when a resolution of 0.1 mm is required.
Hip Circumference	`00002A8F-0000-1000-8000-00805F9B34FB`	The Hip Circumference characteristic is used to represent the hip circumference measurement of a user.
Language	`00002AA2-0000-1000-8000-00805F9B34FB`	The Language characteristic is used to represent the preferred language of a user.
Last Name	`00002A90-0000-1000-8000-00805F9B34FB`	The Last Name characteristic is used to represent the last name of a user.
Maximum Recommended Heart Rate	`00002A91-0000-1000-8000-00805F9B34FB`	The Maximum Recommended Heart Rate characteristic is used to represent the maximum recommended heart rate of a user.
Middle Name	`00002B48-0000-1000-8000-00805F9B34FB`	The Middle Name characteristic is used to represent the middle name of a user.
Preferred Units	`00002B46-0000-1000-8000-00805F9B34FB`	The Preferred Units characteristic is the list of units the user prefers.
Resting Heart Rate	`00002A92-0000-1000-8000-00805F9B34FB`	The Resting Heart Rate characteristic is used to represent the resting heart rate of a user.
Sedentary Interval Notification	`00002B4F-0000-1000-8000-00805F9B34FB`	The Sedentary Interval Notification characteristic is used to represent the sedentary interval notification of a user.
Stride Length	`00002B49-0000-1000-8000-00805F9B34FB`	The Stride Length characteristic is used to represent the stride length of a user.
Three Zone Heart Rate Limits	`00002A94-0000-1000-8000-00805F9B34FB`	The Three Zone Heart Rate Limits characteristic is used to represent the limits between the heart rate zones for the three-zone heart rate definition (Hard, Moderate, and Light) of a user.
Two Zone Heart Rate Limits	`00002A95-0000-1000-8000-00805F9B34FB`	The Two Zone Heart Rate Limits characteristic is used to represent the heart rate limit between the heart rate zones for the two-zone heart rate definition (Fitness and Fat Burn) of a user.
Waist Circumference	`00002A97-0000-1000-8000-00805F9B34FB`	The Waist Circumference characteristic is used to represent the waist measurement of a user.
Weight	`00002A98-0000-1000-8000-00805F9B34FB`	The Weight characteristic is used to represent the weight of a user.

Weight Scale¶

Characteristic	UUID	Description
Weight Measurement	`00002A9D-0000-1000-8000-00805F9B34FB`	The Weight Measurement characteristic is used to represent data related to a weight measurement.
Weight Scale Feature	`00002A9E-0000-1000-8000-00805F9B34FB`	The Weight Scale Feature characteristic is used to represent the supported features of a weight scale.

Other Characteristics¶

Characteristic	UUID	Description
Acceleration	`00002C06-0000-1000-8000-00805F9B34FB`	The Acceleration characteristic is used to represent the acceleration of an object along a given axis as determined by the service.
Acceleration 3D	`00002C1D-0000-1000-8000-00805F9B34FB`	The Acceleration - 3D characteristic represents a measure of acceleration with a limited range.
Acceleration Detection Status	`00002C1F-0000-1000-8000-00805F9B34FB`	The Acceleration Detection Status characteristic represents the status of detected acceleration.
Alert Category ID	`00002A43-0000-1000-8000-00805F9B34FB`	The Alert Category ID characteristic is used to represent predefined categories of alerts and messages.
Alert Category ID Bit Mask	`00002A42-0000-1000-8000-00805F9B34FB`	The Alert Category ID Bit Mask characteristic is used to represent support for predefined Category IDs.
Apparent Energy 32	`00002B89-0000-1000-8000-00805F9B34FB`	The Apparent Energy 32 characteristic is used to represent the integral of Apparent Power over a time interval.
Apparent Power	`00002B8A-0000-1000-8000-00805F9B34FB`	The Apparent Power characteristic is used to represent the product of the quadratic mean values of voltage and current.
Battery Critical Status	`00002BE9-0000-1000-8000-00805F9B34FB`	The Battery Critical Status characteristic is used to represent that the device will possibly not function as expected due to low energy or service required.
Battery Energy Status	`00002BF0-0000-1000-8000-00805F9B34FB`	The Battery Energy Status characteristic is used to represent details about the energy status of the battery.
Battery Health Information	`00002BEB-0000-1000-8000-00805F9B34FB`	The Battery Health Information characteristic is used to represent the health of a battery.
Battery Health Status	`00002BEA-0000-1000-8000-00805F9B34FB`	The Battery Health Status characteristic is used to represent several aspects of battery health.
Battery Information	`00002BEC-0000-1000-8000-00805F9B34FB`	The Battery Information characteristic is used to represent the physical characteristics of a battery in the context of the battery’s connection in a device.
Battery Time Status	`00002BEE-0000-1000-8000-00805F9B34FB`	The Battery Time Status characteristic is used to represent time estimates for discharging and charging.
Blood Pressure Record	`00002B36-0000-1000-8000-00805F9B34FB`	The Blood Pressure Record characteristic is a container that represents a stored value of a blood pressure measurement or of any other characteristic as specified by the service using the characteristic.
Body Sensor Location	`00002A38-0000-1000-8000-00805F9B34FB`	The Body Sensor Location characteristic is used to represent the location of a sensor on a human body.
Boolean	`00002AE2-0000-1000-8000-00805F9B34FB`	The Boolean characteristic is used to represent the predefined Boolean values.
Boot Keyboard Input Report	`00002A22-0000-1000-8000-00805F9B34FB`
Boot Keyboard Output Report	`00002A32-0000-1000-8000-00805F9B34FB`
Boot Mouse Input Report	`00002A33-0000-1000-8000-00805F9B34FB`
CGM Feature	`00002AA8-0000-1000-8000-00805F9B34FB`	The CGM Feature characteristic is used to represent the supported features of a continuous glucose monitor (CGM).
CGM Measurement	`00002AA7-0000-1000-8000-00805F9B34FB`	The CGM Measurement characteristic is used to represent one or more CGM Measurement Records.
CGM Session Run Time	`00002AAB-0000-1000-8000-00805F9B34FB`	The CGM Session Run Time characteristic is used to represent the expected run time of the continuous glucose monitor (CGM) session.
CGM Session Start Time	`00002AAA-0000-1000-8000-00805F9B34FB`	The CGM Session Start Time characteristic is used to represent the time the continuous glucose monitor (CGM) session is started.
CGM Status	`00002AA9-0000-1000-8000-00805F9B34FB`	The CGM Status characteristic is used to represent the current status of a continuous glucose monitor (CGM) sensor.
CIE 13.3-1995 Color Rendering Index	`00002AE7-0000-1000-8000-00805F9B34FB`	The CIE 13.3-1995 Color Rendering Index characteristic is used to represent a color rendition index value for a color patch as calculated in accordance with the CIE 13.3-1995 standard.
CO₂ Concentration	`00002B8C-0000-1000-8000-00805F9B34FB`	The CO₂ Concentration characteristic is used to represent a measure of carbon dioxide concentration.
CSC Feature	`00002A5C-0000-1000-8000-00805F9B34FB`	The CSC Feature characteristic is used to represent the supported features of a cycling speed and cadence (CSC) sensor.
CSC Measurement	`00002A5B-0000-1000-8000-00805F9B34FB`	The CSC Measurement characteristic is used to represent data related to a cycling speed and cadence (CSC) sensor.
Carbon Monoxide Concentration	`00002BD0-0000-1000-8000-00805F9B34FB`	The Carbon Monoxide Concentration characteristic is used to represent a measure of carbon monoxide (CO) concentration.
Chromatic Distance from Planckian	`00002AE3-0000-1000-8000-00805F9B34FB`	The Chromatic Distance from Planckian characteristic is used to represent a distance of a chromaticity coordinate from the Planckian locus in the (u′, 2/3v′) diagram as defined by ANSI standard C78.377-2008 \RefRef{ansi_anslg_c78.
Chromaticity Coordinate	`00002B1C-0000-1000-8000-00805F9B34FB`	The Chromaticity Coordinate characteristic is used to represent an x- or y-coordinate in a color diagram such as the CIE1931 diagram \RefRef{cie_1931.
Chromaticity Coordinates	`00002AE4-0000-1000-8000-00805F9B34FB`	The Chromaticity Coordinates characteristic is used to represent a chromaticity coordinate.
Chromaticity Tolerance	`00002AE6-0000-1000-8000-00805F9B34FB`	The Chromaticity Tolerance characteristic is used to represent the tolerance of a tuple of chromaticity values.
Chromaticity in CCT and Duv Values	`00002AE5-0000-1000-8000-00805F9B34FB`	The Chromaticity in CCT and Duv Values characteristic is used to represent the combination of the Correlated Color Temperature characteristic and the Chromatic Distance From Planckian characteristic.
Coefficient	`00002AE8-0000-1000-8000-00805F9B34FB`	The Coefficient characteristic is used to represent a general coefficient value.
Contact Status 8	`00002C22-0000-1000-8000-00805F9B34FB`	The Contact Status 8 characteristic represents the status of up to 8 binary (open/close) contacts, for instance in a dry contact switch.
Content Control ID	`00002BBA-0000-1000-8000-00805F9B34FB`	The Content Control ID (CCID) characteristic is used to represent a unique instance of a service that either controls or provides status information on an audio-related feature.
Correlated Color Temperature	`00002AE9-0000-1000-8000-00805F9B34FB`	The Correlated Color Temperature characteristic is used to represent correlated color temperature.
Cosine of the Angle	`00002B8D-0000-1000-8000-00805F9B34FB`	The Cosine of the Angle characteristic represents a value of the cosine of an angle.
Count 16	`00002AEA-0000-1000-8000-00805F9B34FB`	The Count 16 characteristic is used to represent a general count value.
Count 24	`00002AEB-0000-1000-8000-00805F9B34FB`	The Count 24 characteristic is used to represent a general count value.
Country Code	`00002AEC-0000-1000-8000-00805F9B34FB`	The Country Code characteristic is used to represent a country or dependent areas in accordance with the ISO 3166-1 Numeric standard \RefRef{iso_3166_1.
Current Elapsed Time	`00002BF2-0000-1000-8000-00805F9B34FB`
DST Offset	`00002A0D-0000-1000-8000-00805F9B34FB`	The DST Offset characteristic is used to represent daylight saving time information associated with time.
Database Change Increment	`00002A99-0000-1000-8000-00805F9B34FB`	The Database Change Increment characteristic is used to represent a count of the changes made to a set of related characteristic(s) as defined by the containing service.
Date Time	`00002A08-0000-1000-8000-00805F9B34FB`	The Date Time characteristic is used to represent date and time.
Date UTC	`00002AED-0000-1000-8000-00805F9B34FB`	The Date UTC characteristic is used to represent the date as days elapsed since the Epoch (Jan 1, 1970) in the Coordinated Universal Time (UTC) time zone.
Date of Birth	`00002A85-0000-1000-8000-00805F9B34FB`	The Date of Birth characteristic is used to represent the date of birth of a user as defined by the Gregorian calendar.
Date of Threshold Assessment	`00002A86-0000-1000-8000-00805F9B34FB`	The Date of Threshold Assessment characteristic is used to represent the date of threshold assessment of a user.
Day Date Time	`00002A0A-0000-1000-8000-00805F9B34FB`	The Day Date Time characteristic is used to represent weekday, date, and time.
Day of Week	`00002A09-0000-1000-8000-00805F9B34FB`	The Day of Week characteristic is used to represent the day within a seven-day week as specified in ISO 8601 \RefRef{iso_8601.
Door/Window Status	`00002C20-0000-1000-8000-00805F9B34FB`	The Door/Window Status characteristic represents the status of a door or a window.
Electric Current Range	`00002AEF-0000-1000-8000-00805F9B34FB`	The Electric Current Range characteristic is used to represent a range of electric current values.
Electric Current Specification	`00002AF0-0000-1000-8000-00805F9B34FB`	The Electric Current Specification characteristic is used to represent a specification of an electric current value.
Electric Current Statistics	`00002AF1-0000-1000-8000-00805F9B34FB`	The Electric Current Statistics characteristic is used to represent a set of statistical electric current values.
Energy	`00002AF2-0000-1000-8000-00805F9B34FB`	The Energy characteristic is used to represent a measure of energy.
Energy 32	`00002BA8-0000-1000-8000-00805F9B34FB`	The Energy 32 characteristic is used to represent a measure of energy.
Energy in a Period of Day	`00002AF3-0000-1000-8000-00805F9B34FB`	The Energy in a Period of Day characteristic is used to represent energy use in a period of a day.
Enhanced Blood Pressure Measurement	`00002B34-0000-1000-8000-00805F9B34FB`	The Enhanced Blood Pressure Measurement characteristic is used to represent data related to a blood pressure measurement that includes a UTC time stamp and a user facing time.
Enhanced Intermediate Cuff Pressure	`00002B35-0000-1000-8000-00805F9B34FB`	The Enhanced Intermediate Cuff Pressure characteristic is used to represent enhanced intermediate Cuff Pressure values for display purposes while a measurement is in progress and includes a UTC time stamp and a user facing time.
Estimated Service Date	`00002BEF-0000-1000-8000-00805F9B34FB`	The Estimated Service Date characteristic is used to represent the estimated date when replacement or servicing is required.
Event Statistics	`00002AF4-0000-1000-8000-00805F9B34FB`	The Event Statistics characteristic is used to represent statistical values of events.
Exact Time 256	`00002A0C-0000-1000-8000-00805F9B34FB`	The Exact Time 256 characteristic is used to represent the day, date, and time, including fractions of seconds.
Fixed String 16	`00002AF5-0000-1000-8000-00805F9B34FB`	The Fixed String 16 characteristic is used to represent a variable-length UTF-8 string with a maximum length of 16 octets, see Volume 1, Part E, Section 2.9.3 in [1].
Fixed String 24	`00002AF6-0000-1000-8000-00805F9B34FB`	The Fixed String 24 characteristic is used to represent a variable-length UTF-8 string with a maximum length of 24 octets, see Volume 1, Part E, Section 2.9.3 in [1].
Fixed String 36	`00002AF7-0000-1000-8000-00805F9B34FB`	The Fixed String 36 characteristic is used to represent a variable-length UTF-8 string with a maximum length of 36 octets, see Volume 1, Part E, Section 2.9.3 in [1].
Fixed String 64	`00002BDE-0000-1000-8000-00805F9B34FB`	The Fixed String 64 characteristic is used to represent a variable-length UTF-8 string with a maximum length of 64 octets, see Volume 1, Part E, Section 2.9.3 in [1].
Fixed String 8	`00002AF8-0000-1000-8000-00805F9B34FB`	The Fixed String 8 characteristic is used to represent a variable-length UTF-8 string with a maximum length of 8 octets, see Volume 1, Part E, Section 2.9.3 in [1].
Force	`00002C07-0000-1000-8000-00805F9B34FB`	The Force characteristic is used to represent the force being applied to an object along a given axis.
Generic Level	`00002AF9-0000-1000-8000-00805F9B34FB`	The Generic Level characteristic is used to represent a general level value of a setting of a device.
Global Trade Item Number	`00002AFA-0000-1000-8000-00805F9B34FB`	The Global Trade Item Number characteristic is used to represent an identifier as defined by GS1 \RefRef{gs1, with up to 14 digits.
Gust Factor	`00002A74-0000-1000-8000-00805F9B34FB`	The Gust Factor characteristic is used to represent the gust factor.
HID Control Point	`00002A4C-0000-1000-8000-00805F9B34FB`
HID Information	`00002A4A-0000-1000-8000-00805F9B34FB`
Heart Rate Control Point	`00002A39-0000-1000-8000-00805F9B34FB`	The Heart Rate Control Point characteristic is used to enable device-specific procedures related to a heart rate sensor.
High Temperature	`00002BDF-0000-1000-8000-00805F9B34FB`	The High Temperature characteristic is used to represent a temperature within a wide range of possible temperatures.
High Voltage	`00002BE0-0000-1000-8000-00805F9B34FB`	The High Voltage characteristic is used to represent a measure of positive electric potential difference.
Humidity 8	`00002C1B-0000-1000-8000-00805F9B34FB`	The Humidity 8 characteristic represents humidity with a limited range.
IEEE 11073-20601 Regulatory Certification Data List	`00002A2A-0000-1000-8000-00805F9B34FB`	The IEEE 11073-20601 Regulatory Certification Data List characteristic is used to represent regulatory and certification information for a product in a list defined in IEEE 11073-20601 \RefRef{ieee_11073_20601.
Illuminance	`00002AFB-0000-1000-8000-00805F9B34FB`	The Illuminance characteristic is used to represent a measure of illuminance.
Illuminance 16	`00002C1C-0000-1000-8000-00805F9B34FB`	The Illuminance 16 characteristic represents a measure of illuminance with a limited range.
Intermediate Temperature	`00002A1E-0000-1000-8000-00805F9B34FB`	The Intermediate Temperature characteristic is used to send intermediate temperature values to a device for display purposes while a measurement is in progress.
Irradiance	`00002A77-0000-1000-8000-00805F9B34FB`	The Irradiance characteristic is used to represent the irradiance, the radiant flux received by a surface per unit area.
LN Control Point	`00002A6B-0000-1000-8000-00805F9B34FB`	The LN Control Point characteristic is used to enable device-specific procedures related to the exchange of location and navigation (LN) information.
LN Feature	`00002A6A-0000-1000-8000-00805F9B34FB`	The LN Feature characteristic is used to represent the supported features of a location and navigation (LN) sensor.
Light Distribution	`00002BE1-0000-1000-8000-00805F9B34FB`	The Light Distribution characteristic is used to represent the projected pattern of outdoor light that a fixture disperses onto a surface.
Light Output	`00002BE2-0000-1000-8000-00805F9B34FB`	The Light Output characteristic is used to represent a measure of the total quantity of visible light emitted by a source per unit of time.
Light Source Type	`00002BE3-0000-1000-8000-00805F9B34FB`	The Light Source Type characteristic is used to represent the means by which a luminaire generates light.
Linear Position	`00002C08-0000-1000-8000-00805F9B34FB`	The Linear Position characteristic is used to represent the linear position of an object along a given axis and referencing to the device-specific zero point.
Location and Speed	`00002A67-0000-1000-8000-00805F9B34FB`	The Location and Speed characteristic is used to represent data related to a location and speed sensor.
Luminous Efficacy	`00002AFC-0000-1000-8000-00805F9B34FB`	The Luminous Efficacy characteristic is used to represent a measure of luminous efficacy.
Luminous Energy	`00002AFD-0000-1000-8000-00805F9B34FB`	The Luminous Energy characteristic is used to represent a measure of luminous energy.
Luminous Exposure	`00002AFE-0000-1000-8000-00805F9B34FB`	The Luminous Exposure characteristic is used to represent a measure of luminous exposure.
Luminous Flux	`00002AFF-0000-1000-8000-00805F9B34FB`	The Luminous Flux characteristic is used to represent a measure of luminous flux.
Luminous Flux Range	`00002B00-0000-1000-8000-00805F9B34FB`	The Luminous Flux Range characteristic is used to represent a luminous flux range.
Luminous Intensity	`00002B01-0000-1000-8000-00805F9B34FB`	The Luminous Intensity characteristic is used to represent the luminous intensity of a beam of light.
Magnetic Declination	`00002A2C-0000-1000-8000-00805F9B34FB`	The Magnetic Declination characteristic is used to represent the magnetic declination.
Magnetic Flux Density - 2D	`00002AA0-0000-1000-8000-00805F9B34FB`	The Magnetic Flux Density - 2D characteristic is used to represent measurements of magnetic flux density for two orthogonal axes: X and Y.
Magnetic Flux Density - 3D	`00002AA1-0000-1000-8000-00805F9B34FB`	The Magnetic Flux Density - 3D characteristic is used to represent measurements of magnetic flux density for three orthogonal axes: X, Y, and Z.
Mass Flow	`00002B02-0000-1000-8000-00805F9B34FB`	The Mass Flow characteristic is used to represent a flow of mass.
Measurement Interval	`00002A21-0000-1000-8000-00805F9B34FB`	The Measurement Interval characteristic is used to represent the time between measurements.
Noise	`00002BE4-0000-1000-8000-00805F9B34FB`	The Noise characteristic is used to represent a measure of sound pressure level.
Object First-Created	`00002AC1-0000-1000-8000-00805F9B34FB`	The Object First-Created characteristic is used to represent the date and time when the associated object’s contents were first created.
Object ID	`00002AC3-0000-1000-8000-00805F9B34FB`	The Object ID characteristic is used to represent an object ID for the associated object.
Object Last-Modified	`00002AC2-0000-1000-8000-00805F9B34FB`	The Object Last-Modified characteristic is used to represent the date and time when the associated object’s contents were last modified.
Object Name	`00002ABE-0000-1000-8000-00805F9B34FB`	The Object Name characteristic is used to represent the name of the associated object.
Object Type	`00002ABF-0000-1000-8000-00805F9B34FB`	The Object Type characteristic is used to represent the type of the associated object, representing this with a UUID.
PLX Continuous Measurement	`00002A5F-0000-1000-8000-00805F9B34FB`
PLX Features	`00002A60-0000-1000-8000-00805F9B34FB`
PLX Spot-Check Measurement	`00002A5E-0000-1000-8000-00805F9B34FB`
Particulate Matter - PM1 Concentration	`00002BD5-0000-1000-8000-00805F9B34FB`	The Particulate Matter - PM1 Concentration characteristic is used to represent a measure of concentration of particulate matter less than 1 micrometer in diameter.
Particulate Matter - PM10 Concentration	`00002BD7-0000-1000-8000-00805F9B34FB`	The Particulate Matter - PM10 Concentration characteristic is used to represent a measure of concentration of particulate matter less than 10 micrometers in diameter.
Particulate Matter - PM2.5 Concentration	`00002BD6-0000-1000-8000-00805F9B34FB`	The Particulate Matter - PM2.5 Concentration characteristic is used to represent a measure of concentration of particulate matter less than 2.5 micrometers in diameter.
Perceived Lightness	`00002B03-0000-1000-8000-00805F9B34FB`	The Perceived Lightness characteristic is used to represent the perceived lightness of a light.
Percentage 8	`00002B04-0000-1000-8000-00805F9B34FB`	The Percentage 8 characteristic is used to represent a percentage.
Percentage 8 Steps	`00002C05-0000-1000-8000-00805F9B34FB`	The Percentage 8 Steps characteristic is used to represent a number of steps between 0% and 100% when configuring a Percentage 8 characteristic value (see sec:org.bluetooth.characteristic.percentage_8).
Peripheral Preferred Connection Parameters	`00002A04-0000-1000-8000-00805F9B34FB`
Peripheral Privacy Flag	`00002A02-0000-1000-8000-00805F9B34FB`
PnP ID	`00002A50-0000-1000-8000-00805F9B34FB`	The PnP ID characteristic is used to represent a set of values that are used to create a device ID value that is unique for this device.
Power	`00002B05-0000-1000-8000-00805F9B34FB`	The Power characteristic is used to represent a measure of power.
Power Specification	`00002B06-0000-1000-8000-00805F9B34FB`	The Power Specification characteristic is used to represent a specification of power values.
Precise Acceleration 3D	`00002C1E-0000-1000-8000-00805F9B34FB`	The Precise Acceleration - 3D characteristic represents a measure of acceleration.
Pushbutton Status 8	`00002C21-0000-1000-8000-00805F9B34FB`	The Pushbutton Status 8 characteristic represents the status of up to 4 pushbuttons.
RSC Feature	`00002A54-0000-1000-8000-00805F9B34FB`	The RSC Feature characteristic is used to represent the supported features of a running speed and cadence (RSC) sensor.
RSC Measurement	`00002A53-0000-1000-8000-00805F9B34FB`	The RSC Measurement characteristic is used to represent data related to a running speed and cadence (RSC) measurement.
Reconnection Address	`00002A03-0000-1000-8000-00805F9B34FB`
Relative Runtime in a Correlated Color Temperature Range	`00002BE5-0000-1000-8000-00805F9B34FB`	The Relative Runtime in a Correlated Color Temperature Range characteristic is used to represent a relative runtime in a correlated color temperature range.
Relative Runtime in a Current Range	`00002B07-0000-1000-8000-00805F9B34FB`	The Relative Runtime in a Current Range characteristic is used to represent a relative value in an electric current range.
Relative Runtime in a Generic Level Range	`00002B08-0000-1000-8000-00805F9B34FB`	The Relative Runtime in a Generic Level Range characteristic is used to represent a runtime in a generic level range.
Relative Value in a Period of Day	`00002B0B-0000-1000-8000-00805F9B34FB`	The Relative Value in a Period of Day characteristic is used to represent the combination of the Percentage 8 characteristic and two instances of the Time Decihour 8 characteristic.
Relative Value in a Temperature Range	`00002B0C-0000-1000-8000-00805F9B34FB`	The Relative Value in a Temperature Range characteristic is used to represent the combination of the Percentage 8 characteristic and two instances of the Temperature characteristic.
Relative Value in a Voltage Range	`00002B09-0000-1000-8000-00805F9B34FB`	The Relative Value in a Voltage Range characteristic is used to represent a relative value in a voltage range.
Relative Value in an Illuminance Range	`00002B0A-0000-1000-8000-00805F9B34FB`	The Relative Value in an Illuminance Range characteristic is used to represent a relative value in an illuminance range.
Rotational Speed	`00002C09-0000-1000-8000-00805F9B34FB`	The Rotational Speed characteristic is used to represent the rotational speed of an object rotating around a device-specific axis.
Scan Refresh	`00002A31-0000-1000-8000-00805F9B34FB`
Sensor Location	`00002A5D-0000-1000-8000-00805F9B34FB`	The Sensor Location characteristic is used to represent the location of the sensor.
Sport Type for Aerobic and Anaerobic Thresholds	`00002A93-0000-1000-8000-00805F9B34FB`	The Sport Type for Aerobic and Anaerobic Thresholds characteristic is used to represent the sport type applicable to aerobic and anaerobic thresholds for a user.
Sulfur Hexafluoride Concentration	`00002BD9-0000-1000-8000-00805F9B34FB`	The Sulfur Hexafluoride Concentration characteristic is used to represent a measure of sulfur hexafluoride (SF₆) concentration.
System ID	`00002A23-0000-1000-8000-00805F9B34FB`	The System ID characteristic is used to represent an extended unique identifier (EUI) of the system implementing the service that contains this characteristic.
Temperature 8	`00002B0D-0000-1000-8000-00805F9B34FB`	The Temperature 8 characteristic is used to represent a measure of temperature with a limited range.
Temperature 8 Statistics	`00002B0F-0000-1000-8000-00805F9B34FB`	The Temperature 8 Statistics characteristic is used to represent temperature statistics over a period of time.
Temperature 8 in a Period of Day	`00002B0E-0000-1000-8000-00805F9B34FB`	The Temperature 8 in a Period of Day characteristic is used to represent a temperature setting over a period of time.
Temperature Range	`00002B10-0000-1000-8000-00805F9B34FB`	The Temperature Range characteristic is used to represent a temperature range.
Temperature Statistics	`00002B11-0000-1000-8000-00805F9B34FB`	The Temperature Statistics characteristic is used to represent temperature statistics over a period of time.
Temperature Type	`00002A1D-0000-1000-8000-00805F9B34FB`	The Temperature Type characteristic is used to represent the location of a temperature measurement.
Time Accuracy	`00002A12-0000-1000-8000-00805F9B34FB`	The Time Accuracy characteristic is used to represent the accuracy (drift) of time information compared to a reference time source.
Time Decihour 8	`00002B12-0000-1000-8000-00805F9B34FB`	The Time Decihour 8 characteristic is used to represent a period of time in tenths of an hour.
Time Exponential 8	`00002B13-0000-1000-8000-00805F9B34FB`	The Time Exponential 8 characteristic is used to represent a measure of a period of time in seconds.
Time Hour 24	`00002B14-0000-1000-8000-00805F9B34FB`	The Time Hour 24 characteristic is used to represent a period of time in hours.
Time Millisecond 24	`00002B15-0000-1000-8000-00805F9B34FB`	The Time Millisecond 24 characteristic is used to represent a period of time with a resolution of 1 millisecond.
Time Second 16	`00002B16-0000-1000-8000-00805F9B34FB`	The Time Second 16 characteristic is used to represent a period of time with a unit of 1 second.
Time Second 32	`00002BE6-0000-1000-8000-00805F9B34FB`	The Time Second 32 characteristic is used to represent a period of time with a unit of 1 second.
Time Second 8	`00002B17-0000-1000-8000-00805F9B34FB`	The Time Second 8 characteristic is used to represent a period of time with a unit of 1 second.
Time Source	`00002A13-0000-1000-8000-00805F9B34FB`	The Time Source characteristic is used to represent the type of time source that is used for reference time.
Time Zone	`00002A0E-0000-1000-8000-00805F9B34FB`	The Time Zone characteristic is used to represent the time difference in 15-minute increments between local standard time and UTC.
Time with DST	`00002A11-0000-1000-8000-00805F9B34FB`	The Time with DST characteristic is used to represent information about a DST change event.
Torque	`00002C0B-0000-1000-8000-00805F9B34FB`	The Torque characteristic is used to represent the measured magnitude of torque (or moment of force) around a device-specific axis.
UV Index	`00002A76-0000-1000-8000-00805F9B34FB`	The UV Index characteristic is used to represent the UV Index.
User Index	`00002A9A-0000-1000-8000-00805F9B34FB`	The User Index characteristic is used to represent the index of a user.
VO2 Max	`00002A96-0000-1000-8000-00805F9B34FB`	The VO2 Max characteristic is used to represent the maximal oxygen uptake of a user.
VOC Concentration	`00002BE7-0000-1000-8000-00805F9B34FB`	The VOC Concentration characteristic is used to represent a measure of volatile organic compounds concentration.
Voltage Frequency	`00002BE8-0000-1000-8000-00805F9B34FB`	The Voltage Frequency characteristic is used to represent power supply voltage frequency.
Voltage Specification	`00002B19-0000-1000-8000-00805F9B34FB`	The Voltage Specification characteristic is used to represent a specification of voltage values.
Voltage Statistics	`00002B1A-0000-1000-8000-00805F9B34FB`	The Voltage Statistics characteristic is used to represent a set of statistical voltage values over a period of time.
Volume Flow	`00002B1B-0000-1000-8000-00805F9B34FB`	The Volume Flow characteristic is used to represent a flow of a general volume such as a volume of material or gas.

Services¶

The library currently supports 31 GATT services:

Service	UUID	Description
Alert Notification	`00001811-0000-1000-8000-00805F9B34FB`	Alert Notification Service implementation.
Automation IO	`00001815-0000-1000-8000-00805F9B34FB`	Automation IO Service implementation.
Battery	`0000180F-0000-1000-8000-00805F9B34FB`	Battery Service implementation.
Blood Pressure	`00001810-0000-1000-8000-00805F9B34FB`	Blood Pressure Service implementation.
Body Composition	`0000181B-0000-1000-8000-00805F9B34FB`	Body Composition Service implementation (0x181B).
Bond Management	`0000181E-0000-1000-8000-00805F9B34FB`	Bond Management Service implementation.
Current Time	`00001805-0000-1000-8000-00805F9B34FB`	Current Time Service implementation.
Cycling Power	`00001818-0000-1000-8000-00805F9B34FB`	Cycling Power Service implementation (0x1818).
Cycling Speed and Cadence	`00001816-0000-1000-8000-00805F9B34FB`	Cycling Speed and Cadence Service implementation (0x1816).
Device Information	`0000180A-0000-1000-8000-00805F9B34FB`	Device Information Service implementation.
Environmental Sensing	`0000181A-0000-1000-8000-00805F9B34FB`	Environmental Sensing Service implementation (0x181A).
Fitness Machine	`00001826-0000-1000-8000-00805F9B34FB`	Fitness Machine Service implementation.
GAP	`00001800-0000-1000-8000-00805F9B34FB`	Generic Access Service implementation.
GATT	`00001801-0000-1000-8000-00805F9B34FB`	Generic Attribute Service implementation.
Glucose	`00001808-0000-1000-8000-00805F9B34FB`	Glucose Service implementation (0x1808).
Health Thermometer	`00001809-0000-1000-8000-00805F9B34FB`	Health Thermometer Service implementation (0x1809).
Heart Rate	`0000180D-0000-1000-8000-00805F9B34FB`	Heart Rate Service implementation (0x180D).
Human Interface Device	`00001812-0000-1000-8000-00805F9B34FB`	Human Interface Device Service implementation.
Immediate Alert	`00001802-0000-1000-8000-00805F9B34FB`	Immediate Alert Service implementation.
Indoor Positioning	`00001821-0000-1000-8000-00805F9B34FB`	Indoor Positioning Service implementation.
Link Loss	`00001803-0000-1000-8000-00805F9B34FB`	Link Loss Service implementation.
Location and Navigation	`00001819-0000-1000-8000-00805F9B34FB`	Location and Navigation Service implementation.
Next DST Change	`00001807-0000-1000-8000-00805F9B34FB`	Next DST Change Service implementation.
Phone Alert Status	`0000180E-0000-1000-8000-00805F9B34FB`	Phone Alert Status Service implementation.
Pulse Oximeter	`00001822-0000-1000-8000-00805F9B34FB`	Pulse Oximeter Service implementation.
Reference Time Update	`00001806-0000-1000-8000-00805F9B34FB`	Reference Time Update Service implementation.
Running Speed and Cadence	`00001814-0000-1000-8000-00805F9B34FB`	Running Speed and Cadence Service implementation (0x1814).
Scan Parameters	`00001813-0000-1000-8000-00805F9B34FB`	Scan Parameters service implementation.
Tx Power	`00001804-0000-1000-8000-00805F9B34FB`	Tx Power Service implementation.
User Data	`0000181C-0000-1000-8000-00805F9B34FB`	User Data Service implementation.
Weight Scale	`0000181D-0000-1000-8000-00805F9B34FB`	Weight Scale Service implementation (0x181D).

Adding Support for New Characteristics¶

To add support for a new characteristic:

See the Adding Characteristics guide
Follow the existing patterns in src/bluetooth_sig/gatt/characteristics/
Add tests for your new characteristic in tests/gatt/characteristics/
Submit a pull request

Official Bluetooth SIG Registry¶

This library is based on the official Bluetooth SIG Assigned Numbers registry. The UUID registry is loaded from YAML files in the bluetooth_sig submodule.