Features:
100% Brand new and high quality!
Small，light，simple and fashionable. Comfortable to wear.
Heart rate monitor: with optical heart rate sensor， shows you heart rate， you can see the results more intuitively.
Built-in acceleration senor with high sensitivity， can catch your every small action， making more accurate pedometer.
Intelligent sleeping monitoring， improving the sleeping quality.
USB rechargeable band， built-in rechargeable battery
Function: Measurement of heart rate，Sleep management，Message reminder，Calories burned measuring，Steps counting，Distance recording，Alarm Clock ......

Specifications:
Condition: brand new
Quantity: 1pc
Color: Black
Bluetooth version: Bluetooth 4.0
Waterproof: Yes
Waterproof Rating : IP67
Adjustable length: 157-205mm
Full length: 225mm
Battery Capacity: 40mAh

Package includes:
1 x Smart band
1 x USB cable