Please charge it fully when receiving watch.
Recording and tracking steps accurately.
Measuring your daliy walking distance precisely.
Calculating the consumption of calorie, record the daily burn-up calorie.
Support IOS and Android system phone:1)Android phone:Support bluetooth 4.0,Android system is android 4.3 or above. 2)ios phone:Support bluetooth,ios system is IOS 8.0
Order BLUE replacement band here -- http://www.amazon.com/dp/B01EL2BL3M
Order BLACK replacement band here -- http://www.amazon.com/dp/B01EL2BLA0

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.9 inch
Height : 1.3 inch
Length : 6 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 2.08 ounce (View shipping rates and policies)

ASIN : B01CJLVSK8