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Scosche Rhythm 24 - Waterproof Armband Heart Rate Monitor HRM Optical with Dual Band ANT+ and BLE Bluetooth Smart - Black : Amazon.co.uk: Sports & Outdoors
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Scosche Rhythm 24 - Waterproof Armband Heart Rate Monitor HRM Optical with Dual Band ANT+ and BLE Bluetooth Smart - Black : Amazon.co.uk: Sports & Outdoors
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