- 250 calories: get all your calories in a liquid form

Resistance is futile

0% animal products

Thumbholes at cuff

NS1170-0244-00

COROS Heart Rate Monitor bottoms - 250 calories: get allHRM GRY 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 charging cable. PRECISE