Fangrui Product Details 1. Mt55 1.43 Inch Amoled Hd Screen Ultra-thin Smart Call Health Watch, Silicone Strap 2. Functions 3. Support Bluetooth Calls, Multiple Menu Styles, Support 200 Dials, Breathing Training, Custom Dials, Stopwatch, Brightness Adjustment, Multi-sports Mode, Sleep Monitoring, Real Heart Rate Blood Oxygen, Information Push, Remote Music, Remote Photography, Real-time Weather, Find Mobile Phone (connect To Mobile Phone), Bluetooth Music Playback, Calculator, Split Screen Display, Weather, Alarm Clock, Sedentary Reminder, Sports Step Counting, Calorie Consumption, Sports Mileage Record, Game, Voice Assistant 4. App Supports Languages: Chinese, English, Russian, Arabic, Vietnamese, Danish, Thai, Polish, Persian, Spanish, Malay, Greek, French, Italian, German, Portuguese, Turkish, Latin, Romanian, Hebrew, Burmese, Ukrainian 5. Watch Supports Languages: Chinese, English, Russian, Arabic, Vietnamese, Danish, Thai, Polish, Persian, Spanish, Malay, Greek, French, Italian, German, Portuguese, Turkish, Latin, Romanian, Hebrew, Burmese, Ukrainian 6. Parameters 7. Chip: Jerry 7012a6 8. Bluetooth: Bt 5.3 9. Resolution: 466 X 466 10. Screen Size: 1.43-inch Amoled High-definition Screen 11. Compatible System: Android5.0 Or Above, Ios9.0 Or Above 12. Flash Memory: 128mb 13. Heart Rate: Vc30f-s True Blood Oxygen Dynamic Heart Rate 14. Gravity Sensor: Minghao Da267-lga12 15. Control Method: Full Touch Screen + Single Button 16. Charging Method: Magnetic Charging Stand 17. Battery Capacity: 3.8v200mah 18. Charging Time: 2-3 Hours 19. Battery Life: 5-7 Days 20. Waterproof Level: Ip67 21. Appearance Material: Zinc Alloy + Iml Bottom Shell 22. Product Size: 45.5 X 45.5 X 6.8mm 23. Wristband Size: Total Length 255mm, Width 22mm 24. Wristband Material: Silicone, Leather 25. Product Weight: 45g 26. App: Dafit