wirelessly transmits your heart rate to your compatible device for instant feedback
soft elastic strap provides a comfortable fit
Once it's paired with your compatible device the first time, it will automatically recognize it each time
Worn Around Chest, Adjustable Sizing.
Radio Frequency/Protocol: 2.4 GHz ANT wireless communications protocol
System Compatibility: ANT+
Made Of Soft Fabric
Recognizes Compatible Device After First Usage