SURMOS USB Smartband W2 Bracelet Time Display Smart Wrist Band Watch with Calorie 3D Pedometer Sleep Monitor Waterproof Wristband(Blue)

Specification of Our USB Wristband

Boundary dimension 255mmx22mmx9mm(Specific please in kind prevail)
Weight 26g (net weight)
Display screen LED Screen
Interface type USB Port
Step count accuracy ¡À5%
Time error 24H error(The software can adjust the rage ¡À99 secs/day)
Data memory Can be stored about 120 hours step counter data in a row.
Display of steps 0 step ~ 9999steps
Battery life Rechargeable battery,charge-discharge times>300times
Supply voltage DC=5V
Run barometric pressure 860 hPa ~ 1060 hPa
Operating temperature 0 to 45 degrees centigrade
If there are any change due to improvements of specifications and appearance,without notice.

What's in the box
Package Contents:
1 x Wrist band
1 X usb cable
1 x User Manual