The Bluetooth Smart heart rate strap connects to iPhone and iPad to provide heart rate data for user's favorite applications.Compatible with iPhone 4S, iPhone 5, iPad (3rd and 4th generations), and iPad Mini. Not compatible with ANT technology. Waterproof up to 5 feet with a replaceable 3 volt CR2032 coin cell battery. It's comfortable, elastic fabric strap minimizes chaffing. More at REI.
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