Fasttack launch the device that track your calory that you burn from your body . it is very helpful for those people who want to get slim and fit and burn more and more calory according to their target . there are many feature in this ribbrise wrist watch . it is not only for knowing the current time , yor can also call with the help of this watch . but i, m very disspointing about one thing in this watch that is it not count correct steps by yor running, and the gap is about 50 up or down but other things is ok
THANKS GUYS