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 Bluetooth, ANT+ and 5 kHz Coded Heart Rate Sensor
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Polar H9 Bluetooth, ANT+ and 5 kHz Coded Heart Rate Sensor
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Polar H9 Bluetooth, ANT+ and 5 kHz Coded Heart Rate Sensor