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Amazon.com : 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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UPTIVO Belt - Ceinture Cardio avec Triple Transmission Bluetooth Smart, Ant+ et 5 kHz. : Amazon.fr: Sports et Loisirs
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