1. System requirements: Android 4.4 and above, iOS 8.0 and above
2. Functions: Bluetooth calls/Bluetooth music (super clear sound quality), weather display, heart rate detection, blood pressure detection, blood oxygen detection, time display, step counting, compass, calories, distance, sleep monitoring, stopwatch, alarm clock reminder, incoming call notification , information reminder, remote photography, sedentary reminder, multi-sport mode
3. Supported languages: English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Russian, Portuguese
4. Main control chip: Realtek 8763EWE-VP
5. Bluetooth version: 5.0
6. Memory: Flash 128MB
7. Screen size: 1.96 inches
8. Screen resolution: 320 x 386
9. Heart rate: 3605
10. Speaker: 0916
11. Motor: built-in, vibration reminder
12. Battery capacity: 380 mAh
13. Standby time: about 30 days
14. Working time: about 5-10 days
15. Waterproof level: IP68
16. Operation mode: touch + button
17. Strap circumference: 150-260mm
18. Dial size: 42 x 12.2mm