2. Resolution: 454*454
3. Strap: TPU material
4. Satellite positioning: GPS, GLONASS, Galileo, Beidou
5. Wireless connection: Bluetooth 5.0
6. Sensors: heart rate sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor
7. Battery capacity: 420mAh
8. Waterproof grade: 5ATM waterproof
9. Working temperature: -10-45 degrees Celsius
10. System language: Simplified Chinese/English
11. Support system: Android 4.4&iOS10 and above
12. Typical usage mode: 16 days
13. Long battery life mode: 22 days
14. Outdoor sports mode: 50 hours
15. Functions: sleep monitoring, pressure monitoring, breathing training, blood oxygen monitoring, heart rate monitoring, 117 exercise modes, timer, alarm clock, weather, stopwatch, call reminder, message reminder, flashlight, find mobile phone, compass, scan code payment , NFC bus payment, NFC key card, NFC blank key card, etc.
16. Adjustable length: 130-220mm
17. Size: 45.9x53.35x11.8mm
Note: NFC function is only available in mainland China, please understand before buying
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