COROS Heart Rate Monitor (LARGE) M Cloudrunner Won't slip or bounce while

Won't slip or bounce while you hustle at the roller rink like it's 1979

If you want to salute your grandparents

All-Systems GNSS mode with music: Up to 5

This improvement helps prevent any sliding or movement inside the shoe

Responsive yet soft cushioning

COROS Heart Rate Monitor (LARGE) M Cloudrunner Won't slip or bounce whileComfortable 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.