Compatible heart rate sensors All Polar heart rate sensors can be worn in water. Only sensors with GymLink transmission detect h
![Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors](https://m.media-amazon.com/images/I/41ZBNwcq6ML._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA1%252C954%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors
![Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors](https://images-na.ssl-images-amazon.com/images/I/41ZBNwcq6ML._AC_UL600_SR600,600_.jpg)
Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors
![Polar FT7 Heart Rate Monitor-Watch Black & Silver W/ chest strap,Paperwork,& Box 725882022604 | eBay Polar FT7 Heart Rate Monitor-Watch Black & Silver W/ chest strap,Paperwork,& Box 725882022604 | eBay](https://i.ebayimg.com/images/g/iJ8AAOSwBFxjPLK~/s-l1600.jpg)