COROS Heart Rate Monitor W 840v1 Clifton 9: The Clifton 9

Clifton 9: The Clifton 9 continues with a similar aesthetic but with subtle updates that give it a more streamlined and polished look

athletic fit offers a complete range of motion without feeling too tight

Stingrays are friends

you can carry this weather resistant torch and if needed

4D Guidance System provides innovative protection for every type of runner

COROS Heart Rate Monitor W 840v1 Clifton 9: The Clifton 9Comfortable and simpler to wear than a chest strap. Easy to adjust the fit and remove the sensor for quick cleaning. Our latest multi channel optical sensor for precise measurement. Up to 3 simultaneous connections with Bluetooth enabled devices. Wear detection allows for automatic device pairing for new workouts. 38 hours of full operation or 80 days in standby mode on a single charge. Rechargeable with a magnetic USB charging cable.