DT NO.I 7 1.9 inch TFT Screen Smart Watch, Support Bluetooth Call/Menstrual Cycle Reminder(Black)

1. Chip: Realtek RTL8762DK2. andiord system: support Android 4.4 and above3. ios system: IOS 10.0 or later4. Heart rate sensor: Zhanheng BD1662_I2C5. Bluetooth: dual Bluetooth 5.06. Waterproof level: IP687. Product technology: zinc alloy + IML8. Screen size: 1.9-inch TFT high-definition square screen9. Screen resolution: 390*43510. Screen material: glass (OGS)11. Wristband material: silicone12. Battery model: 551830 polymer13. Battery voltage: 3.7V14. Battery capacity: 280mAh15. Battery life: 5-6 days for normal connection use, 25-35 days for standby. (Connection use depends on personal usage)16. Charging method: wireless charging17. Charging time: about 5 hours18. App supports languages: Chinese, Traditional Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic, Ukrainian, Thai19. Languages ​​supported on the device side: English, Chinese, Traditional Chinese, Danish, Greek, Latin, Romanian, Turkish, Hebrew, Czech, Polish, Spanish, German, Russian, Portuguese, French, Japanese, Italian, Vietnamese, Korean, Arabic, Persian20. Function: Bluetooth calling, 11 sets of menu styles, support for more than 500 dials, breathing training, custom dials, stopwatch, brightness adjustment, multi-sport mode, real sleep, real heart rate, information push, remote music, remote photo, real-time Weather, find mobile phone (connect to mobile phone), bluetooth music playback, password protection, calculator, split screen display, quick widget, weather, female assistant, massager, GPS track, voice assistant, alarm clock, flashlight, power saving mode, Smart and watch mode selection, etc.21. Overall length of wristband: 270mm22. Head size: 45x38x10.8mm23. Strap size: width 21mm24. Body net weight: 35.5 grams