Brand new product. Unique design for Wii console. Plug the cooling fan at the USB port, of the Wii console. Strongly lustrate the high temperature to keep the console in low temperature. Lower the controller temperature effectively, and then you can play games smoothly. This is USB port on the fan, can be used to connect with other equipment conveniently. Effectively lower the temperature of console and prolong the console life. Let you play games smoothly without worries anymore. Simply plug the cooling fan at the USB port of the Wii console. No extra power required.