Bluetooth Smart Bracelet Sport Wristband watch Step Counter Fitness Tracker

Specification:
100% Brand New.
Color:  Black, blue, pink
Band Material:ABS Plastic + TPU + AL
Body Dimensions: 30X18X 9mm
Standby time: 36 Hours
Application system: Android 4.3 or later/IOS 7.0 or later!!
With Somatosensory function.
You must install the APP "Care724" first, then you can connect with bluetooth.
Screen: 0.49' OLED Display
Battery: 40mA Li-polymer
Three-proof Grade: IP67
Standby time: 4 days
Bluetooth class: BT4.0
Charging method:  Standard USB