Gone are the days, when USB devices used to mean only flash drives. USB gadgets have come a long way from being practical and straightforward storage devices to become more creative and useful. In fact, nowadays for every helpful USB gadget, you can find on the market, there is also a gadget that is equally wacky and whimsical; for instance, that mini USB powered lamps and fans, or the cartoon character inspired USB hubs. We usually use our computer’s or laptop’s USB ports for essential accessories like the mouse or external hard drives, but you can also connect a mini USB powered fan to your system. This handy little gadget will keep you cool all the while you are working on your system. These palm-sized fans are very lightweight and hence, can be easily carried in your bag. They are also very easy to use. You just need to plug them into your laptop’s USB port and let them create a gentle breeze until you unplug them or turn your laptop off.