display: 1.6 Inch TFT screen，400*400 Resolution

CPT: SCL9832E+PAR2822

Heart rate sensor: Tianyi Hexin 3918

Front 2 million pixels

Bluetooth: Bluetooth5.2

Life: 2GB+16GB memory, usage for 1-2 days

Waterproof level: IP67

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

Size: 39*45.7*11 mm

Weight: 55g

Battery capacity:750 mAh polymer