Compatible heart rate sensors All Polar heart rate sensors can be worn in water. Only sensors with GymLink transmission detect h
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Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors
![The 5 Best Chest Strap Heart Rate Monitors - Everything You Need To Know Before You Buy - The Home Gym The 5 Best Chest Strap Heart Rate Monitors - Everything You Need To Know Before You Buy - The Home Gym](https://the-home-gym.com/wp-content/uploads/2019/04/bigstock-Young-Woman-Exercising-Using-S-234131182.jpg)
The 5 Best Chest Strap Heart Rate Monitors - Everything You Need To Know Before You Buy - The Home Gym
![Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors](https://m.media-amazon.com/images/I/31t4h0VByoL._AC_SY350_.jpg)
Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors
![Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors](https://m.media-amazon.com/images/I/41908Qw2DML._AC_SY350_.jpg)