ITEM NAME:1000Lum Usb Rechargeable Built-In 2400Mah 3Modes Bicycle Light Waterproof H B5A6 1000Lum Usb Rechargeable Built-In 2400Mah 3Modes Bicycle Light Waterproof H B5A6 High quality polymer lithium battery,charges ultra fast.Special algorithm adopted to achieve excellent balance between brightness and heat cooling.adapting easily to all kinds of complex outdoor environments.Variety of patterns and brightness options.3 modes:Low/Mid/SOS Stop wasting your money,save big time with the USB feature!Charged by laptop,power bank or any device with USB port.Can be used as a mountain bike headlight,road bike lights,kid's bike safety light,flashlight and power bank. High/Low/Strobe three working modes,this LED bike light have memory function.No matter which mode you selected,it will keep the last mode when you turn on the bike light.Pressing the power button for about 2 seconds,the headlight will be
