Huawei TalkBand B7

Brand: Huawei
Model: FDS-B49
Product Name: Huawei Bracelet B7
Matching system: HarmonyOS 2 and above; Android 7.0 and above; iOS 9.0 and above
Material: stainless steel metal case
Battery capacity: 120mAh
NFC: Not supported
Bluetooth: Bluetooth 5.2
Transmission range: Maximum connection distance: 150m in open environment
Charging interface: Type C charging port
Microphone: Dual MIC noise cancellation
Sensors: accelerometer sensor gyroscope sensor heart rate sensor (PPG) ambient light sensor Hall sensor
Buttons: 2 headset pick and place button, while pressing the pop-up headset 1 side button, support long press, short press, double click
Theoretical working time: typical use scenario life 2 days: factory default configuration, heart rate is always on, nighttime use of scientific sleep, daily use of headphones to answer cell phone calls for 10 minutes, listen to cell phone music for 30 minutes, open pressure auto-detection, open blood oxygen auto-detection, the average weekly exercise 90 minutes, open message notifications, 30 minutes per day bright screen.
Theoretical charging time: about 65 minutes
Operating temperature: -10℃~45℃
Storage temperature: -20℃~55℃
Waterproof rating: IP57