Product Model Number: WT047
Bluetooth Version: V5.0
Communication Range: _<10m(Standard Environment)
Operation Frequency Range (MHz): 2402-2480
Max. RF Output Power (EIRP)(dBm): -0.83(BLE)
Battery Capacity: 3.7V/300mAh
Input: 5V DC0.2A
Playing Time: from 4 days to 7 days on typicly usage
Screen Size: 1.36 Inches
Resolution: 360 x 390Px
ChargingType: Magnetic Charging
Function: Heart Rate, Blood Pressure, Blood Oxygen, Sleep, Caloric Capacity, Exercise, Information Notification, Call Alert, Fitness Mode, alarm Clock, Bluetooth Call, NFC.

Download APP from Here.