1. Bluetooth version: 5.0
2. Chip: Realtek 8762C
3. Waterproof rating: 30M
4. Screen size: 1.3 inches
5. Screen type: high-definition color touch screen
6. Resolution: 240*240px
7. Compatible operating system: Android 4.4 / iOS 9.0 and above
8. System languages: Simplified Chinese, Traditional Chinese, English, Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Portuguese, Spanish, Arabic, Korean, Dutch, Indonesian
9. APP language: Simplified Chinese, Traditional Chinese, English, Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Portuguese, Spanish, Arabic, Korean
10. Message push language: Simplified Chinese, Traditional Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Polish, Russian, Dutch, Turkish, Indonesian, Czech
11. Functions: 24-hour heart rate monitoring, blood pressure monitoring, multiple dials, custom dials, 13 goal-based exercises, sleep quality monitoring, step tracking, calorie burn tracking, daily step goals, real-time pace and distance, Target celebration, reminder to move, smart phone notification, weather forecast, stopwatch, alarm clock, find phone, flashlight, wrist rotation detection, music control, etc.
12. Sensors: heart rate sensor, proximity sensor, accelerometer
13. Battery type: lithium polymer battery
14. Battery capacity: 170 mAh
15. Standby time: 15 days (power saving scenario); 7 days (typical use scenario)
16. Charging time: about 1.5 hours
17. Material: PC+PU
18. Size: 41x46x11mm
19. Weight: 33g