Net weight

Bluetooth version
4.0 BLE
Calling Bluetiooth version 3.0 BLE
Waterproof level
IP67
Chipset
HS6620D

Acceleration sensor
SC7A20
Optical
SC7R30，128KB 1M,Optical Heart Rate Sensor ModuleType:1.3 'inch round Colorful display
Display screen
Touch screen:Full touch controlT.
C0 n..
Resolution:240*240 px
Type: Polymer lithium battery
Battery capacity: 200 mA
Battery
Charging time: about 60 minutes
Working hours: 5-7 days
Standby time: about 30 days
Material
Zinc Alloy/Plastics TPU /Leather optional
Working temperature
-20°C~50°℃C