1. APP Support System: Android 4.4 and above, IOS above 9.0
2. Do not use a charger higher than 5V/2A. 3. The data cannot be used as medical reference.
4. The watch can't touch the hot water because the hot water would cause the watch display get fog. Model Number: D20 Pro Smart Watch
APP: FitPro
Bluetoth Version: Bluetooth 4.0
Waterproof / Water-Resistant: Yes(Not for swimming )
Operating mode: Touch button Power on: press and hold the function key
Screen Type: 1.4 inch TFT LCD
Storage(FLASH)16MB+128KB
Compatible OS: Android,IOS
Standby time: 4-7days normally use; 30 days standbybased on 230mAh.syi