ASICS® AH01 HRMEasily track your heart rate as you run with the ASICS® AH01. Used in combination with the included chest strap, this running watch monitors your pulse and can provided personalized fitness guidelines. Simply input your running data and gender before running and the ASICS AH01 calculates your AT (Anaerobic Threshold) heart rate. This provides in-depth information offers guidelines for controlling your running pace, helping you perform efficiently and effectively. International shipping is not available.