Polar H2-Heart rate sensor

The H2 heart rate sensor allows you to monitor your heart rate on a compatible Polar device. The soft textile chest strap seamlessly adapts to your body shape, bringing full freedom of movement to your exercise. The convenient hook mechanism makes it quick to put on when you want to start training and easy to take off when you’re finished.

- View accurate heart rate information on all Polar training products (uses both 5kHz and 2.4GHz W.I.N.D. transmission for maximum compatibility)

- Put it in your gym bag. 5kHz coded transmission also allows you to see real-time heart rate on compatible gym equipment. Look for the Polar logo!

- Transfers heart rate information while swimming with products which support 5kHz transmission*

- New improved user-replaceable battery mechanism

* FT1, FT2, FT4, FT7, FT40, FT60, FT80, RS100, RS300X, RS400, RCX5, CS100, CS200, CS300