Polar H9 Heart Rate Sensor - ANT+ Bluetooth - Waterproof RF Sensor with Soft Chest Strap for Fitness Training, Cycling, Outdoor Sports & Universal Bike Mount for Polar Sports Watches :

For all your sports. Bluetooth and ANT+ technologies open up endless connection possibilities to any app or device you want to use.

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Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors

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Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap for Gym, Cycling, Running, Outdoor Sports : Sports & Outdoors