display: 1.78 Inch AMOLED HD screen，368*448 Resolution

CPT: RTL8762DT+BK3266

Heart rate sensor: Easy core 3605

Touch the keys: G+F Full-screen touch + physical buttons

Bluetooth: Bluetooth5.0

Life: Normal use for 5-8 days, Standby for 40-45 days

Waterproof level: IP68

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

Size: 56.9*44.12*14.96 mm

Weight: 45g

Battery capacity:350 Mah polyme