Simple yet Effective USB Powered Lateral Cooling Fan Developed According to the Cooling Requirement and Style of the Xbox 360 Slim Console. An increase in fresh air movement by forcing more air trough the lateral vents help to decrease the internal components working temperatures, this will help to avoid premature failures and critical errors due to overheating while you play your favourite games. Very easy to install, just snap the fan case to the lateral vents of your console and power it using the included USB cable via one of your console USB ports or if you desire it using an external USB power adaptor (Not included) Package Includes : Lateral Cooling Fan USB Power Cable