The Polar H1 heart rate sensor is a streamlined heart rate sensor with a soft textile strap for tracking your heart rate to actively focus on your
Polar H1 Heart Rate Sensor & Strap - Coded 5kz Transmission
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High Quality Elastic Chest Belt Soft Strap Band For Polar Sport Running Heart Rate Monitor For Bluetooth Adjustable
High Quality Elastic Chest Belt Soft Strap Band For Polar Sport Running Heart Rate Monitor For Bluetooth Adjustable