1. Screen: 1.28 inch TFT screen, resolution: 240*240
2. Bluetooth version: 5.0
3. Sensor: optical heart rate sensor, acceleration sensor
4. Battery capacity: 340mAh
5. Compatible system: Android 4.4 and above; IOS8.0 and above
6. Use time: about 15 days (with the heart rate function turned on for 24 hours)
7. Waterproof and dustproof grade: IP68
8. Function: Sports mode (outdoor running, brisk walking, cycling, rock climbing, yoga, indoor running, free training, gym, basketball, etc.), weather, music control, 24-hour heart rate monitoring, sleep monitoring, information reminder, stopwatch, etc.
9. Overall size: 45.3x11.4mm, strap size: 22mm
10. Weight: 54g
