Description:

* wireless receiving heartbeat signal transmitted from heartbeat brooch. Sports pedometer!#!amp!*! calculates calories
* time display: hour， minute， second
* Diver， Alarm clock， Stopwatch， countdown timer function
* Give alarm when heart rate exceeds the upper? limit values
* Timing(maximum time-keeping is 23 hours， 59 minutes， 59second，99)
* 12/24 hour displaying format
* EL backlight
* Watch is 5 ATM Waterproof