GATT Characteristics
Characteristics are defined attribute types that contain a single logical value. All Assigned Numbers values on this page are normative.
| Name | Uniform Type Identifier | Assigned Number | Specification |
|---|---|---|---|
| Aerobic Heart Rate Lower Limit | org.bluetooth.characteristic.aerobic_heart_rate_lower_limit | 0x2A7E | GCD |
| Aerobic Heart Rate Upper Limit | org.bluetooth.characteristic.aerobic_heart_rate_upper_limit | 0x2A84 | GCD |
| Aerobic Threshold | org.bluetooth.characteristic.aerobic_threshold | 0x2A7F | GCD |
| Age | org.bluetooth.characteristic.age | 0x2A80 | GCD |
| Aggregate | org.bluetooth.characteristic.aggregate | 0x2A5A | GCD |
| Alert Category ID | org.bluetooth.characteristic.alert_category_id | 0x2A43 | GCD |
| Alert Category ID Bit Mask | org.bluetooth.characteristic.alert_category_id_bit_mask | 0x2A42 | GCD |
| Alert Level | org.bluetooth.characteristic.alert_level | 0x2A06 | GCD |
| Alert Notification Control Point | org.bluetooth.characteristic.alert_notification_control_point | 0x2A44 | GCD |
| Alert Status | org.bluetooth.characteristic.alert_status | 0x2A3F | GCD |
| Altitude | org.bluetooth.characteristic.altitude | 0x2AB3 | GCD |
| Anaerobic Heart Rate Lower Limit | org.bluetooth.characteristic.anaerobic_heart_rate_lower_limit | 0x2A81 | GCD |
| Anaerobic Heart Rate Upper Limit | org.bluetooth.characteristic.anaerobic_heart_rate_upper_limit | 0x2A82 | GCD |
| Anaerobic Threshold | org.bluetooth.characteristic.anaerobic_threshold | 0x2A83 | GCD |
| Analog | org.bluetooth.characteristic.analog | 0x2A58 | GCD |
| Analog Output | org.bluetooth.characteristic.analog_output | 0x2A59 | GCD |
| Apparent Wind Direction | org.bluetooth.characteristic.apparent_wind_direction | 0x2A73 | GCD |
| Apparent Wind Speed | org.bluetooth.characteristic.apparent_wind_speed | 0x2A72 | GCD |
| Barometric Pressure Trend | org.bluetooth.characteristic.barometric_pressure_trend | 0x2AA3 | GCD |
| Battery Level | org.bluetooth.characteristic.battery_level | 0x2A19 | GCD |
| Battery Level State | org.bluetooth.characteristic.battery_level_state | 0x2A1B | GCD |
| Battery Power State | org.bluetooth.characteristic.battery_power_state | 0x2A1A | GCD |
| Blood Pressure Feature | org.bluetooth.characteristic.blood_pressure_feature | 0x2A49 | GCD |
| Blood Pressure Measurement | org.bluetooth.characteristic.blood_pressure_measurement | 0x2A35 | GCD |
| Body Composition Feature | org.bluetooth.characteristic.body_composition_feature | 0x2A9B | GCD |
| Body Composition Measurement | org.bluetooth.characteristic.body_composition_measurement | 0x2A9C | GCD |
| Body Sensor Location | org.bluetooth.characteristic.body_sensor_location | 0x2A38 | GCD |
| Bond Management Control Point | org.bluetooth.characteristic.bond_management_control_point | 0x2AA4 | GCD |
| Bond Management Features | org.bluetooth.characteristic.bond_management_feature | 0x2AA5 | GCD |
| Boot Keyboard Input Report | org.bluetooth.characteristic.boot_keyboard_input_report | 0x2A22 | GCD |
| Boot Keyboard Output Report | org.bluetooth.characteristic.boot_keyboard_output_report | 0x2A32 | GCD |
| Boot Mouse Input Report | org.bluetooth.characteristic.boot_mouse_input_report | 0x2A33 | GCD |
| CGM Feature | org.bluetooth.characteristic.cgm_feature | 0x2AA8 | GCD |
| CGM Measurement | org.bluetooth.characteristic.cgm_measurement | 0x2AA7 | GCD |
| CGM Session Run Time | org.bluetooth.characteristic.cgm_session_run_time | 0x2AAB | GCD |
| CGM Session Start Time | org.bluetooth.characteristic.cgm_session_start_time | 0x2AAA | GCD |
| CGM Specific Ops Control Point | org.bluetooth.characteristic.cgm_specific_ops_control_point | 0x2AAC | GCD |
| CGM Status | org.bluetooth.characteristic.cgm_status | 0x2AA9 | GCD |
| Cross Trainer Data | org.bluetooth.characteristic.cross_trainer_data | 0x2ACE | GCD |
| CSC Feature | org.bluetooth.characteristic.csc_feature | 0x2A5C | GCD |
| CSC Measurement | org.bluetooth.characteristic.csc_measurement | 0x2A5B | GCD |
| Current Time | org.bluetooth.characteristic.current_time | 0x2A2B | GCD |
| Cycling Power Control Point | org.bluetooth.characteristic.cycling_power_control_point | 0x2A66 | GCD |
| Cycling Power Control Point | org.bluetooth.characteristic.cycling_power_control_point | 0x2A66 | GCD |
| Cycling Power Feature | org.bluetooth.characteristic.cycling_power_feature | 0x2A65 | GCD |
| Cycling Power Feature | org.bluetooth.characteristic.cycling_power_feature | 0x2A65 | GCD |
| Cycling Power Measurement | org.bluetooth.characteristic.cycling_power_measurement | 0x2A63 | GCD |
| Cycling Power Vector | org.bluetooth.characteristic.cycling_power_vector | 0x2A64 | GCD |
| Database Change Increment | org.bluetooth.characteristic.database_change_increment | 0x2A99 | GCD |
| Date of Birth | org.bluetooth.characteristic.date_of_birth | 0x2A85 | GCD |
| Date of Threshold Assessment | org.bluetooth.characteristic.date_of_threshold_assessment | 0x2A86 | GCD |
| Date Time | org.bluetooth.characteristic.date_time | 0x2A08 | GCD |
| Day Date Time | org.bluetooth.characteristic.day_date_time | 0x2A0A | GCD |
| Day of Week | org.bluetooth.characteristic.day_of_week | 0x2A09 | GCD |
| Descriptor Value Changed | org.bluetooth.characteristic.descriptor_value_changed | 0x2A7D | GCD |
| Dew Point | org.bluetooth.characteristic.dew_point | 0x2A7B | GCD |
| Digital | org.bluetooth.characteristic.digital | 0x2A56 | GCD |
| Digital Output | org.bluetooth.characteristic.digital_output | 0x2A57 | GCD |
| DST Offset | org.bluetooth.characteristic.dst_offset | 0x2A0D | GCD |
| Elevation | org.bluetooth.characteristic.elevation | 0x2A6C | GCD |
| Email Address | org.bluetooth.characteristic.email_address | 0x2A87 | GCD |
| Exact Time 100 | org.bluetooth.characteristic.exact_time_100 | 0x2A0B | GCD |
| Exact Time 256 | org.bluetooth.characteristic.exact_time_256 | 0x2A0C | GCD |
| Fat Burn Heart Rate Lower Limit | org.bluetooth.characteristic.fat_burn_heart_rate_lower_limit | 0x2A88 | GCD |
| Fat Burn Heart Rate Upper Limit | org.bluetooth.characteristic.fat_burn_heart_rate_upper_limit | 0x2A89 | GCD |
| Firmware Revision String | org.bluetooth.characteristic.firmware_revision_string | 0x2A26 | GCD |
| First Name | org.bluetooth.characteristic.first_name | 0x2A8A | GCD |
| Fitness Machine Control Point | org.bluetooth.characteristic.fitness_machine_control_point | 0x2AD9 | GCD |
| Fitness Machine Feature | org.bluetooth.characteristic.fitness_machine_feature | 0x2ACC | GCD |
| Fitness Machine Status | org.bluetooth.characteristic.fitness_machine_status | 0x2ADA | GCD |
| Five Zone Heart Rate Limits | org.bluetooth.characteristic.five_zone_heart_rate_limits | 0x2A8B | GCD |
| Floor Number | org.bluetooth.characteristic.floor_number | 0x2AB2 | GCD |
| Appearance | org.bluetooth.characteristic.gap.appearance | 0x2A01 | GCD |
| Central Address Resolution | org.bluetooth.characteristic.gap.central_address_resolution | 0x2AA6 | GCD |
| Device Name | org.bluetooth.characteristic.gap.device_name | 0x2A00 | GCD |
| Peripheral Preferred Connection Parameters | org.bluetooth.characteristic.gap.peripheral_preferred_connection_parameters | 0x2A04 | GCD |
| Peripheral Privacy Flag | org.bluetooth.characteristic.gap.peripheral_privacy_flag | 0x2A02 | GCD |
| Reconnection Address | org.bluetooth.characteristic.gap.reconnection_address | 0x2A03 | GCD |
| Service Changed | org.bluetooth.characteristic.gatt.service_changed | 0x2A05 | GCD |
| Gender | org.bluetooth.characteristic.gender | 0x2A8C | GCD |
| Glucose Feature | org.bluetooth.characteristic.glucose_feature | 0x2A51 | GCD |
| Glucose Measurement | org.bluetooth.characteristic.glucose_measurement | 0x2A18 | GCD |
| Glucose Measurement Context | org.bluetooth.characteristic.glucose_measurement_context | 0x2A34 | GCD |
| Gust Factor | org.bluetooth.characteristic.gust_factor | 0x2A74 | GCD |
| Hardware Revision String | org.bluetooth.characteristic.hardware_revision_string | 0x2A27 | GCD |
| Heart Rate Control Point | org.bluetooth.characteristic.heart_rate_control_point | 0x2A39 | GCD |
| Heart Rate Max | org.bluetooth.characteristic.heart_rate_max | 0x2A8D | GCD |
| Heart Rate Measurement | org.bluetooth.characteristic.heart_rate_measurement | 0x2A37 | GCD |
| Heat Index | org.bluetooth.characteristic.heat_index | 0x2A7A | GCD |
| Height | org.bluetooth.characteristic.height | 0x2A8E | GCD |
| HID Control Point | org.bluetooth.characteristic.hid_control_point | 0x2A4C | GCD |
| HID Information | org.bluetooth.characteristic.hid_information | 0x2A4A | GCD |
| Hip Circumference | org.bluetooth.characteristic.hip_circumference | 0x2A8F | GCD |
| HTTP Control Point | org.bluetooth.characteristic.http_control_point | 0x2ABA | GCD |
| HTTP Entity Body | org.bluetooth.characteristic.http_entity_body | 0x2AB9 | GCD |
| HTTP Headers | org.bluetooth.characteristic.http_headers | 0x2AB7 | GCD |
| HTTP Status Code | org.bluetooth.characteristic.http_status_code | 0x2AB8 | GCD |
| HTTPS Security | org.bluetooth.characteristic.https_security | 0x2ABB | GCD |
| Humidity | org.bluetooth.characteristic.humidity | 0x2A6F | GCD |
| IEEE 11073-20601 Regulatory Certification Data List | org.bluetooth.characteristic.ieee_11073-20601_regulatory_certification_data_list | 0x2A2A | GCD |
| Indoor Bike Data | org.bluetooth.characteristic.indoor_bike_data | 0x2AD2 | GCD |
| Indoor Positioning Configuration | org.bluetooth.characteristic.indoor_positioning_configuration | 0x2AAD | GCD |
| Intermediate Cuff Pressure | org.bluetooth.characteristic.intermediate_cuff_pressure | 0x2A36 | GCD |
| Intermediate Temperature | org.bluetooth.characteristic.intermediate_temperature | 0x2A1E | GCD |
| Irradiance | org.bluetooth.characteristic.irradiance | 0x2A77 | GCD |
| Language | org.bluetooth.characteristic.language | 0x2AA2 | GCD |
| Last Name | org.bluetooth.characteristic.last_name | 0x2A90 | GCD |
| Latitude | org.bluetooth.characteristic.latitude | 0x2AAE | GCD |
| LN Control Point | org.bluetooth.characteristic.ln_control_point | 0x2A6B | GCD |
| LN Feature | org.bluetooth.characteristic.ln_feature | 0x2A6A | GCD |
| Local East Coordinate | org.bluetooth.characteristic.local_east_coordinate | 0x2AB1 | GCD |
| Local North Coordinate | org.bluetooth.characteristic.local_north_coordinate | 0x2AB0 | GCD |
| Local Time Information | org.bluetooth.characteristic.local_time_information | 0x2A0F | GCD |
| Location and Speed Characteristic | org.bluetooth.characteristic.location_and_speed | 0x2A67 | GCD |
| Location Name | org.bluetooth.characteristic.location_name | 0x2AB5 | GCD |
| Longitude | org.bluetooth.characteristic.Longitude | 0x2AAF | GCD |
| Magnetic Declination | org.bluetooth.characteristic.magnetic_declination | 0x2A2C | GCD |
| Magnetic Flux Density - 2D | org.bluetooth.characteristic.Magnetic_flux_density_2D | 0x2AA0 | GCD |
| Magnetic Flux Density - 3D | org.bluetooth.characteristic.Magnetic_flux_density_3D | 0x2AA1 | GCD |
| Manufacturer Name String | org.bluetooth.characteristic.manufacturer_name_string | 0x2A29 | GCD |
| Maximum Recommended Heart Rate | org.bluetooth.characteristic.maximum_recommended_heart_rate | 0x2A91 | GCD |
| Measurement Interval | org.bluetooth.characteristic.measurement_interval | 0x2A21 | GCD |
| Model Number String | org.bluetooth.characteristic.model_number_string | 0x2A24 | GCD |
| Navigation | org.bluetooth.characteristic.navigation | 0x2A68 | GCD |
| Network Availability | org.bluetooth.characteristic.network_availability | 0x2A3E | GCD |
| New Alert | org.bluetooth.characteristic.new_alert | 0x2A46 | GCD |
| Object Action Control Point | org.bluetooth.characteristic.object_action_control_point | 0x2AC5 | GCD |
| Object Changed | org.bluetooth.characteristic.object_changed | 0x2AC8 | GCD |
| Object First-Created | org.bluetooth.characteristic.object_first_created | 0x2AC1 | GCD |
| Object ID | org.bluetooth.characteristic.object_id | 0x2AC3 | GCD |
| Object Last-Modified | org.bluetooth.characteristic.object_last_modified | 0x2AC2 | GCD |
| Object List Control Point | org.bluetooth.characteristic.object_list_control_point | 0x2AC6 | GCD |
| Object List Filter | org.bluetooth.characteristic.object_list_filter | 0x2AC7 | GCD |
| Object Name | org.bluetooth.characteristic.object_name | 0x2ABE | GCD |
| Object Properties | org.bluetooth.characteristic.object_properties | 0x2AC4 | GCD |
| Object Size | org.bluetooth.characteristic.object_size | 0x2AC0 | GCD |
| Object Type | org.bluetooth.characteristic.object_type | 0x2ABF | GCD |
| OTS Feature | org.bluetooth.characteristic.ots_feature | 0x2ABD | GCD |
| PLX Continuous Measurement Characteristic | org.bluetooth.characteristic.plx_continuous_measurement | 0x2A5F | GCD |
| PLX Features | org.bluetooth.characteristic.plx_features | 0x2A60 | GCD |
| PLX Spot-Check Measurement | org.bluetooth.characteristic.plx_spot_check_measurement | 0x2A5E | GCD |
| PnP ID | org.bluetooth.characteristic.pnp_id | 0x2A50 | GCD |
| Pollen Concentration | org.bluetooth.characteristic.pollen_concentration | 0x2A75 | GCD |
| Position 2D | org.bluetooth.characteristic.position_2d | 0x2A2F | GCD |
| Position 3D | org.bluetooth.characteristic.position_3d | 0x2A30 | GCD |
| Position Quality | org.bluetooth.characteristic.position_quality | 0x2A69 | GCD |
| Pressure | org.bluetooth.characteristic.pressure | 0x2A6D | GCD |
| Protocol Mode | org.bluetooth.characteristic.protocol_mode | 0x2A4E | GCD |
| Pulse Oximetry Control Point | org.bluetooth.characteristic.pulse_oximetry_control_point | 0x2A62 | GCD |
| Pulse Oximetry Pulsatile Event Characteristic | org.bluetooth.characteristic.pulse_oximetry_pulsatile_event | 0x2A60 | GCD |
| Rainfall | org.bluetooth.characteristic.rainfall | 0x2A78 | GCD |
| Record Access Control Point | org.bluetooth.characteristic.record_access_control_point | 0x2A52 | GCD |
| Reference Time Information | org.bluetooth.characteristic.reference_time_information | 0x2A14 | GCD |
| Removable | org.bluetooth.characteristic.removable | 0x2A3A | GCD |
| Report | org.bluetooth.characteristic.report | 0x2A4D | GCD |
| Report Map | org.bluetooth.characteristic.report_map | 0x2A4B | GCD |
| Resolvable Private Address Only | org.bluetooth.characteristic.resolvable_private_address_only | 0x2AC9 | GCD |
| Resting Heart Rate | org.bluetooth.characteristic.resting_heart_rate | 0x2A92 | GCD |
| Ringer Control point | org.bluetooth.characteristic.ringer_control_point | 0x2A40 | GCD |
| Ringer Setting | org.bluetooth.characteristic.ringer_setting | 0x2A41 | GCD |
| Rower Data | org.bluetooth.characteristic.rower_data | 0x2AD1 | GCD |
| RSC Feature | org.bluetooth.characteristic.rsc_feature | 0x2A54 | GCD |
| RSC Measurement | org.bluetooth.characteristic.rsc_measurement | 0x2A53 | GCD |
| SC Control Point | org.bluetooth.characteristic.sc_control_point | 0x2A55 | GCD |
| Scan Interval Window | org.bluetooth.characteristic.scan_interval_window | 0x2A4F | GCD |
| Scan Refresh | org.bluetooth.characteristic.scan_refresh | 0x2A31 | GCD |
| Scientific Temperature Celsius | org.bluetooth.characteristic.scientific_temperature_celsius | 0x2A3C | GCD |
| Secondary Time Zone | org.bluetooth.characteristic.secondary_time_zone | 0x2A10 | GCD |
| Sensor Location | org.bluetooth.characteristic.sensor_location | 0x2A5D | GCD |
| Serial Number String | org.bluetooth.characteristic.serial_number_string | 0x2A25 | GCD |
| Service Required | org.bluetooth.characteristic.service_required | 0x2A3B | GCD |
| Software Revision String | org.bluetooth.characteristic.software_revision_string | 0x2A28 | GCD |
| Sport Type for Aerobic and Anaerobic Thresholds | org.bluetooth.characteristic.sport_type_for_aerobic_and_anaerobic_thresholds | 0x2A93 | GCD |
| Stair Climber Data | org.bluetooth.characteristic.stair_climber_data | 0x2AD0 | GCD |
| Step Climber Data | org.bluetooth.characteristic.step_climber_data | 0x2ACF | GCD |
| String | org.bluetooth.characteristic.string | 0x2A3D | GCD |
| Supported Heart Rate Range | org.bluetooth.characteristic.supported_heart_rate_range | 0x2AD7 | GCD |
| Supported Inclination Range | org.bluetooth.characteristic.supported_inclination_range | 0x2AD5 | GCD |
| Supported New Alert Category | org.bluetooth.characteristic.supported_new_alert_category | 0x2A47 | GCD |
| Supported Power Range | org.bluetooth.characteristic.supported_power_range | 0x2AD8 | GCD |
| Supported Resistance Level Range | org.bluetooth.characteristic.supported_resistance_level_range | 0x2AD6 | GCD |
| Supported Speed Range | org.bluetooth.characteristic.supported_speed_range | 0x2AD4 | GCD |
| Supported Unread Alert Category | org.bluetooth.characteristic.supported_unread_alert_category | 0x2A48 | GCD |
| System ID | org.bluetooth.characteristic.system_id | 0x2A23 | GCD |
| TDS Control Point | org.bluetooth.characteristic.tds_control_point | 0x2ABC | GCD |
| Temperature | org.bluetooth.characteristic.temperature | 0x2A6E | GCD |
| Temperature Celsius | org.bluetooth.characteristic.temperature_celsius | 0x2A1F | GCD |
| Temperature Fahrenheit | org.bluetooth.characteristic.temperature_fahrenheit | 0x2A20 | GCD |
| Temperature Measurement | org.bluetooth.characteristic.temperature_measurement | 0x2A1C | GCD |
| Temperature Type | org.bluetooth.characteristic.temperature_type | 0x2A1D | GCD |
| Three Zone Heart Rate Limits | org.bluetooth.characteristic.three_zone_heart_rate_limits | 0x2A94 | GCD |
| Time Accuracy | org.bluetooth.characteristic.time_accuracy | 0x2A12 | GCD |
| Time Broadcast | org.bluetooth.characteristic.time_broadcast | 0x2A15 | GCD |
| Time Source | org.bluetooth.characteristic.time_source | 0x2A13 | GCD |
| Time Update Control Point | org.bluetooth.characteristic.time_update_control_point | 0x2A16 | GCD |
| Time Update State | org.bluetooth.characteristic.time_update_state | 0x2A17 | GCD |
| Time with DST | org.bluetooth.characteristic.time_with_dst | 0x2A11 | GCD |
| Time Zone | org.bluetooth.characteristic.time_zone | 0x2A0E | GCD |
| Training Status | org.bluetooth.characteristic.training_status | 0x2AD3 | GCD |
| Treadmill Data | org.bluetooth.characteristic.treadmill_data | 0x2ACD | GCD |
| True Wind Direction | org.bluetooth.characteristic.true_wind_direction | 0x2A71 | GCD |
| True Wind Speed | org.bluetooth.characteristic.true_wind_speed | 0x2A70 | GCD |
| Two Zone Heart Rate Limit | org.bluetooth.characteristic.two_zone_heart_rate_limit | 0x2A95 | GCD |
| Tx Power Level | org.bluetooth.characteristic.tx_power_level | 0x2A07 | GCD |
| Uncertainty | org.bluetooth.characteristic.uncertainty | 0x2AB4 | GCD |
| Unread Alert Status | org.bluetooth.characteristic.unread_alert_status | 0x2A45 | GCD |
| URI | org.bluetooth.characteristic.uri | 0x2AB6 | GCD |
| User Control Point | org.bluetooth.characteristic.user_control_point | 0x2A9F | GCD |
| User Index | org.bluetooth.characteristic.user_index | 0x2A9A | GCD |
| UV Index | org.bluetooth.characteristic.uv_index | 0x2A76 | GCD |
| VO2 Max | org.bluetooth.characteristic.vo2_max | 0x2A96 | GCD |
| Waist Circumference | org.bluetooth.characteristic.waist_circumference | 0x2A97 | GCD |
| Weight | org.bluetooth.characteristic.weight | 0x2A98 | GCD |
| Weight Measurement | org.bluetooth.characteristic.weight_measurement | 0x2A9D | GCD |
| Weight Scale Feature | org.bluetooth.characteristic.weight_scale_feature | 0x2A9E | GCD |
| Wind Chill | org.bluetooth.characteristic.wind_chill | 0x2A79 | GCD |