S8 1.91inch Bluetooth Calling Motion watch with Wireless Cha

Basic specs:
Life Waterproof DQ0815，BT 3.0/4.0
Display: 1.91 HD IPS, 320*385
Rate sensor: HRS3300
Material: Zinc alloy shell + Silica gel
Compatible: Android 5.0+ / ios 9.0+
Battery capacity: 180mAh(typical value)
Charging method: Wireless charger
APP: M2 wear

Function:Rotate button,Bluetooth call,Heart rate,blood pressure,blood oxygen,Sleep monitoring,Sedentary reminder,8 Multiple sports modes,music control, informationt,Incoming call denied,Do Not Disturb