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 or above or i0s8.0 or above
Transmission mode: bluetooth 4.0
