How to sync this watch with your mobile phone:
1. Get your mobile phone which has bluetooth 4.2 or above and Android 5.0 and above, ios 9.0 and above.
2. Download the APP named YFit by scaning QR code of the manul and watch screen, or search “YFit” from Google Play or APP store.
3. Open the YFit—Device—Add device
4. Click the “SN82” on your screen to choose it.
5. Click the “Confirm Bind Device”
6. Keep with 10 meters for effective Bluetooth distance.
Bluetooth Version: 4.2 & above
Screen: 1.3″ TFT/IPS LCD
Watch Weight: 63.2g
Battery type: Li-Battery
Battery capacity: 220mAh
Waterproof rate: IP68
Working time: 10 days
Charging time: 2.5 hours
Watch Dimension&includ strap: 52*44.6*12mm