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 Wirelessly Transmits Heart Rate To Compatible Device For Instant Feedback Made Of Soft Fabric Adjustable Sizing Recognizes Compatible Device After First Usage Get a quality workout with our heart rate monitor. When worn around your chest during an activity, it wirelessly transmits your heart rate to your compatible device for instant feedback on how hard you’re working. The front part of the strap contains the heart rate module and the strap that goes around your back is made of a soft fabric and is adjustable to your size. Use and care of the heart rate monitor is a snap. Once it's paired with your compatible device the first time, it will automatically recognize it each time. The fabric of the strap can be removed and hand-washed as often as needed.
After going thru 2 versions of Garmin and a Polar HRM&strap, this one finally works! I had been fed up with intermittent and erroneous heart rates, and no matter what I did (wet the pads, use electrode gel, etc.) there always would be crazy readings of 22 and even 222. This one worked fine right from the start. What's the difference between them all? This one has a shielding layer which mitigates the static electricity and ..