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Scosche Rhythm 24 Heart Rate Monitor Armband - Fitness Armband with Dual Band ANT+ & BLE Bluetooth - Waterproof & Dustproof Accurate Heart Rate ...
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EZON Heart Rate Monitor and Chest Strap, Exercise Heart Rate Monitor, Sports Watch with HRM, Waterproof, Stopwatch, Hourly Chime T007
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Professional Heart Rate Monitor for Sports. Chest Strap-free, no constrain. Highly accurate. – Wellue
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