1.83 inch IPS Screen Smart Watch 1. Support Bluetooth calls, heart rate detection, blood oxygen detection, blood pressure detection, time display, step counting, calories, distance, heart rate, multiple sports modes (more than 100 modes), sleep monitoring (sleep time, sleep ), incoming calls Notification, information reminder, multi-language push, task reminder (sedentary reminder), music control, sync data to APK/APP 2. System requirements: Android 5.0 and above, IOS 10.0 and above 3. Bracet supports languages: Chinese, Czech, English, German, Polish, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 4. Push support languages: Chinese, Czech, English, German, Polish, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 5. Main control (CPU): RTL8763EWE 6. Memory (RAM+ROM): RAM256KB+ROM192KB, external expansion 128Mb FLASH 7. Screen display: LCD 1.83-inch IPS screen, resolution: 240x 2848. Display brightness: more than 400 lumens 9. Touch screen: G+F process 10. Material: zinc alloy surface case + PC bottom case + TPU strap 11. Bluetooth version: Bluetooth 5. 012. Battery capacity: polymer lithium battery 450mAh 13. Standby time: 45 days 14. Working time: about 10 days 15. Charging time: 3H 16. Heart rate sensor: HX 360517. Charging cable: charging with magnetic suction cable, with patch protection IC= 18. Speaker: 1508 waterproof speaker 19. Microphone: TMG4015FS-W38 waterproof microphone 20. Waterproof grade: IP 6821. Power supply: charging 1A or bow 1A 22. APP: Da Fit 23. Size: 50.9x39.6x13.2mm 24. Weight: 66.5g