- RHYTHM heart rate monitor uses no bulky chest straps or wires and easily attaches to your forearm for full wireless communication with your device. This app powered hear rate monitor uses an App to manage your workout metrics. Download the RHYTHM App to your smartphone or tablet to monitor your heart rate, calories burned, distance, speed, pace and more. Control your favorite music from the integrated buttons while you workout and FIND YOUR RHYTHM. Yellow. Calorie Counter/GPS Pulse Meter/Time &
- Distance Low Battery Indicator Online Exclusive RTHMA15
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