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

Bring it to the gym. 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 that support 5kHz transmission*

New improved user-replaceable battery mechanism



  • H2 Heart Rate Sensor


H2 Heart Rate Sensor is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Polar HR Sensor Love this sensor! Have used it for many years. It is comfortable and easy to use. I like the added frequency band because it provides more consistent connectivity. Also appreciate the DIY battery replacement systems for the sensor and watch.
Date published: 2015-12-05
  • 2016-02-13T07:52CST
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