RHYTHM Armband Heart Rate Monitor - ONLINE ONLY nil-product and depth of color resulting

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RHYTHM Armband Heart Rate Monitor - ONLINE ONLY nil-product and depth of color resultingRHYTHM 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.