1.APP: M2 Wear
2.Screen size: 1.69,TFT 240*280,Full touch
3.IPX rating:IP67 Waterproof, but not support underwater 1m 30mins
4.BT calling:YES
5.Battery:3.7V/180mAh
7.Chipset: FR2506
8.FLASH memory: 64M
9.Ble: Ble 3.0/4.0
10.Function: bluetooth calling+really heart rate,Multi-function NFC custom wallpaper. call, music control social APP message alert, call alert, SMS alert, HEART rate/blood pressure/blood oxygen monitoring, exercise more, alarm alarm, sedentary alert, mobile phone search, music play, stopwatch. Calculator, casual games
11.Color: Black silver gold