hrm-pro premium heart rate strap real time heart rate data and running dynamics

captures running dynamics, vertical oscillation, ground contact time, stride length, vertical ratio and more stores heart rate data during swimming or other activities out of range of your watch then automatically sends data to the watch when the activity is finished during team sports, it also monitors steps, calories and intensity minutes then syncs with your watch. go on, and push your performance to the next level while wearing one of our most comfortable heart rate straps yet & with a battery you won`t need to replace for up to one year..syi