Screen: 1.2 inches AMOLED HD display

Resolution: 390*390 pix

BT: 5.0

Compatibility: Android 6.0 and above or iOS 11.0 and above

Battery Capacity: 230mAh

Standby Time: 12 days (turn on heart rate monitoring)

App:Haylou Fun

Sensor: Dynamic optical heart rate sensor, acceleration sensor, Sony GPS

Language: English, Korean, Chinese

Strap material: Silicone

Water-resistant Level: 5ATM

Bodysize: 50.5*43.4*12.5mm

Strap width: 22mm

Watch weight: 46 g (with strap)