Description of USB Mini Fan Here is the USB fan, comfortable, functional, quiet. Thanks to the fan you will not have problems when using the computer , you'll be fresh on your desk with this fantastic item. The USB fan, low power consumption, requires no additional battery as it is powered directly from the USB port. The fan motor has a very quiet and a very long duration. Very useful with the arrival of the great heat. Equipped with central key for the ignition, gray with blue fans in ultra soft rubber. In the case of rubbing the blades you will not have the risk of getting hurt. Compatible with all USB ports. Super Power Fan.