BSBL Bicycle Light USB Rechargeable,Road Bike Safety Flashlight,Bicycle lights

UNIQUE DESIGN - The USB Rechargeable Bike Light  has a built-in powerful rechargeable battery pack. No wires or external battery accessories are required. The maximum output is 4000 lumens, and the light can reach up to 1660 feet (about 499.9 meters). Make sure you stay visible on the road and on your bike. Portable, powerful and convenient. It can be used for 4 hours in high brightness working mode. 10 hours in low light work mode. ADJUSTABLE WORKING MODES – The bicycle light can be switched between 3 modes and 5 modes. When off, press and hold the button for 2 seconds until the red and green indicator lights flash and change to 3 modes (high/low/strobe). When power off again, press and hold the button for 2 seconds to switch to 5 modes (high/medium/low/strobe/sos). Taillight 5 modes (strong/fender 1/flash/fender 2/breathing). Adjust to your liking. IPX5 WATERPROOF - Ideal for men, women and kids who love cycling and the great outdoors. Waterproof bicycle headlights prevent water spl