Polar H10 Heart Rate Monitor - ANT + , Bluetooth - Waterproof HR Sensor with Chest Strap - Built-in memory, Software updates - Works with Fitness apps, Cycling computers, Sports and Smart
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Polar H10 Heart Rate Monitor for Men and Women, ANT +, Bluetooth & H10 Heart Rate Monitor – ANT +, Bluetooth - Waterproof HR Sensor with Chest Strap - Built-in Memory :