1. Bottom shell material: ABS+PC
2. Wristband material: TPU+ABS
3. Wristband size: 140mm-210mm
4. Screen resolution: 172x320
5. Memory: 128MB
6. Bluetooth: BLE5.3
7. Working voltage: 3.8V
8. Battery capacity: 220mAh
9. Charging method: magnetic charging
10. Charging time: 2.5h
11. Standby time: 20-30 days
12. Battery life: 5-7 days
13. Supports Bluetooth calls, and the dial can be switched at will
14. Support heart rate monitoring, blood oxygen monitoring, exercise tracking, sleep monitoring and other functions
15. Support Chinese Simplified, Traditional Chinese, English, Japanese, German, Russian, Spanish, Italian, French, Portuguese, Dutch, Turkish, Polish, Arabic