Amazon.com : Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth, Waterproof HR Sensor for Men and Women (NEW) : Sports & Outdoors
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POLAR Vantage V2 - Premium Multisport Smartwatch with GPS, Wrist-Based HR Measurement for All Sports - Music Control, Weather, Phone Notifications comes with Polar H10 Heart Rate Sensor - Walmart.com