Options for this item: Sizes:60 × 120 × 160mm Colour:Blue [USB Rechargeable and Power Bank] 4000 MAH rechargeable batteries with internal high capacity. It takes only 2 hours to charge it completely with extra long operating time. The USB bike light can also charge or provide lighting your mobile phone, even if you are outside, you no longer have to worry about your phone's power to run out or dark.[3 LED lamp slot and 3 mode] Bike headlights are equipped with 3 professional LED lamp slots that produce ultra -high brightness and make your bike stand out. Therefore, you and your loved ones are more safe in all kinds of low light conditions. 3 Lighting mode (high, low, flash) can choose according to your needs. Increase night driving safety.It has excellent impact resistance, heat distribution and corrosion resistance. IPX4 is rated as water resistance. If it suddenly rain or snow, you need to worry.[Multi -functioned] This LED bike headlight set is very versatile for riding, hiking, camping or any outdoor activity, and as available telephone holder, emergency flashlight and Powerbank. And the internal horn with 5 sound mode can reach the highest decibel 130