The Polar H7 is a combo heart rate sensor that provides live, accurate heart rate to your mobile training app, including Polar Beat, turning it into a smart training companion. The H7 also connects to many Polar products as well as compatible gym equipment.
Compatible with dozens of fitness apps
Compatible with iPhone 4S, iPhone 5, iPod touch (5th generation), iPad (3rd & 4th generation), iPad mini and iPod Nano (7th generation)
Transfers heart rate information while swimming with products which support 5kHz transmission*