Screen size :1.3 "color screen

Screen operation: single touch (virtual key)

Wristband length: perimeter 250/25.4= approximately 9.8 inches

Motion sensor :3D gravity acceleration sensor

Heart rate sensor: second generation dynamic heart rate sensor

Waterproof grade :IP67

System requirements: android 4.4 of hoger of I0S8.0 of hoger

Transmissiemodus: Bluetooth 4.0