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Amazon.com : XOSS X1 Heart Rate Monitor Armband Bluetooth & ANT+ Wireless Heart Rate Health Accessories Fitness Tracker(Armband)… : Sports & Outdoors
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HiFiT Heart Rate Monitor Chest Strap, Bluetooth 5.0 ANT+, IP67 Waterproof Heart Rate Sensor Belt, Real-Time Heart Rate Data and Running Dynamics, Perfect for Fitness, Running, Riding
![HiFiT Heart Rate Monitor Chest Strap, Bluetooth 5.0 ANT+, IP67 Waterproof Heart Rate Sensor Belt, Real-Time Heart Rate Data and Running Dynamics, Perfect for Fitness, Running, Riding HiFiT Heart Rate Monitor Chest Strap, Bluetooth 5.0 ANT+, IP67 Waterproof Heart Rate Sensor Belt, Real-Time Heart Rate Data and Running Dynamics, Perfect for Fitness, Running, Riding](https://m.media-amazon.com/images/I/61TMYdX+pCS._AC_UF1000,1000_QL80_.jpg)