The Sinewave Cycles Beacon is a bicycle dynamo powered USB charger and headlight all in one. It converts electricity generated by hub dynamos to USB output. See the road and charge your devices while riding. Great for touring and long commutes.
Dynamo power is optimized at low-to-medium speeds, reaching 200 lumens at just 5 MPH, 500 lumens at 8 MPH, 650 lumens at 10 MPH, and 750 lumens at 13 MPH.
Includes DC to USB cable to plug into the rear of the light.
Compatible with any USB cable for charging smartphones or GPS.