1. Product model: M2102W1
2. SCREEN: 1.6 inch AMOLED 320*360 resolution
3. Watch Band Material: TPU
4. Adjustable strap length: 125-205mm
5. Sensor optical heart rate sensor (including blood oxygen), acceleration sensor, gyroscope, geomagnetic sensor, ambient light sensor
6. Waterproof rating: 5atm
7. Wireless connection: Bluetooth5.0 (Bluetooth Low Energy)
8. Battery: 225mAh Li-ion Polymer Battery
9. Typical use mode: 12 day shelf life.
10. Satellite positioning: support BDS/GPS/GLONASS/GALILEO
11. Working temperature: -10 to 45 degrees Celsius
12. SYSTEM LANGUAGE: CHINESE SIMPLIFIED SUPPORT
13. Support system: Android 5.0 or IOS 10.0 and above
14. Functions: Sleep Monitoring, Blood Oxygen Monitoring, Heart Rate Monitoring, 117 Sports Modes, Timer, Alarm Clock, Weather, Stopwatch, Call Reminder, Message Reminder, Find Mobile Phone, Flashlight, Compass, Alipay, NFC scan code payment, etc. .
15. Product net weight: 31G
16. Product size: 39.1*34.4*9.98mm (without watch face)
Note: NFC function is only available in mainland China, please understand before buying