1. System requirements: Android 4.4 and above, IOS 8.0 and above
2. Bluetooth version: BLE 5.0
3. Main control chip: Realtek8762C
4. Memory: Flash 64MB
5. Screen resolution: 240*240
6. Battery capacity: 400 mA
7. Standby time: about 30 days
8. Working time: about 7-15 days
9. Functions: heart rate detection, blood pressure detection, blood oxygen detection, Bluetooth call, Bluetooth music, pedometer, calories, distance, stopwatch, multi-sports mode, female menstrual cycle reminder, incoming call notification, message reminder, alarm clock reminder, remote camera, sedentary reminder to wait
10. 45.4x45.4x10.8mm, weight: 69g