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Garmin HRM-Dual, Premium Heart Rate Monitor, Wireless Strap and Sensor This premium heart rate strap transmits real-time heart rate data over ANT+ connectivity and BLUETOOTH Low Energy techno
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COOSPO HW9 Bluetooth 5.0 ANT+ Heart Rate Monitor Armband with HR Zones/Calories Burned, Optical HRM Sensor for Fitness T ✅±1BPM OPTICAL HEART RATE ARMBAND & CALORIE TRACKER: COOSPO HW9 heart rate armband uses optical heart rate technology to14% Off POLAR 
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