display: 1.85inch Screen has 240×280 pixels

CPT: Realtek 8763EWE 

Touch: G+F Full screen touch

The keys: Metal encoder knob + physical button

Bluetooth: Bluetooth5.0

Life:Normal use 4-6 days，standby 25 days

Waterproof level: 1P67

The system supports: Android 4.4 or above,IOS 8.0 or above

Size: 45*39*12mm