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- Provides live, accurate heart rate to compatible mobile training apps, including Polar Beat
- Uses Bluetooth smart technology
- Compatible with iPhone 4S, iPhone 5, iPod touch (5th generation), iPad (3rd & 4th generation), iPad mini and iPod Nano (7th generation)
- User replaceable battery. For optimal battery life, detach transmitter from chest strap after every use
- Does not provide heart rate to Polar heart rate monitors
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