Lazer Genesis Lifebeam Helmet with Heart Rate Monitor
Lose the strap and enjoy the comfort of an integrated Optical heart-rate sensorRuntime: 17 hours of continuous useConnects to any wireless compatible smartphone, sports watch, or cycling computer via Bluetooth 4.0 and ANT+Sound and LED light user interfaceAll weather compatible design performs, rain or shineOptional taillight sold separatelySize large fits 58-61cm
