Coros Heart Rate MonitorThe COROS Heart Rate Monitor delivers dependable workout tracking in a lightweight arm worn design, pairing with Bluetooth enabled devices for sessions that stay focused, smooth and distraction free. With more than 38 hours of continuous monitoring, this COROS sensor is built for training days that do not quit. Comfortable Performance For Everyday Training For runners who want accurate data without the bulk of a chest strap, the arm worn design offers
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