Bluetooth smart watch (ECG, HRV, PPG...) ）

Bluetooth smart watch with health monitor(ECG,HRV,PPG...)
battery capacity:  340mAh            
battery type:  A grade li-polymer battery
Screen size: 2.01 inch high resolution 240*296 screen
Waterproof:waterproof IP67
Bluetooth: Bluetooth v:5.05.0BLE Operation mode: Full touch screen 
Sensor：ROEHM-1057
 Material:Shell: metal alloy
Bottom shell: IML process
Strap: environmental protection silicone restructuring
WATCH size:280MM  (Silicone strap included)
Charging mode: Magnetic suction charging