COROS Heart Rate Monitor 4X4 KLS Active - diam 28

KLS Active - diam 28

International EU UK Neck (cm) S 38 15 37 M 40 15

rear and front door windows that zip closed for total privacy (image shows windows in open position)

- Made in Italy

COROS Heart Rate Monitor 4X4 KLS Active - diam 28COROS Heart Rate Monitor Comfortable 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