The guee cob x led front light cob x is a lightweight rechargeable green product the design allows the cob x to be mounted vertically or horizontally on a bicycle39s seat post fork handle bar or saddle bag the built in rechargeable battery with a 1 hour and 40 minutes quick charge through the micro usb is deal for riders in a rush the design comes with a separate clip on silicon band offering an option to change the colour as well as increasing the durability of the product gue