DT8 Ultra Max 2.1 inch Color ScreenAbout Product 1. Battery capacity: 380mAh 2. Bluetooth version :Dual Bluetooth 5. 03. Charging method:Wiress charging 4. Waterproof rating: IP68 waterproof 5. System: Android system 6.0 version or above,iOS system 10.0 version or above 6. Resolution :420x 4857. Standby time:25-35 Days 8. Usage time:5-6 Days 9. APP Name: Wearpro 10. Watch Support languages:English, Simplified Chinese, Traditional Chinese, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean, Arabic, Persian 11. APP Support languages: Chinese, Traditional Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic, Ukrainian, ThaiFunction1.Bluetooth call,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep ) 4. 11 sets of menu styles, more than 500 dials, breathing training, custom dials, stopwatch, brightness adjustment, multi-sports mode 5. Apps notification, music remote control, camera remote control, real-time weather, find mobile phone (connected to a mobile phone to use) 6. Bluetooth music player, pword protection, calculator, split screen display, widgets, meteorology, female istant, mager, GPS tracking, voice istant, alarm clock,flashlight 7. Power saving mode, smart mode and watch mode switching, alipay, one-time binding, always-on option, explosion-proof gl 8. App history, comp, 159 sports modes, multiple games, multiple off-screen analog clock, independent ringtones