MAYFLASH GameCube Controller Adapter for Wii U, PC USB and Switch/Switch 2, 4 Ports Switch to “Wii U” or “PC” mode by using the switch located on the side The GameCube Controller Adapter allows you to connect up to four GameCube controllers (or wireless GameCube controllers) to a Wii U system, PC Windows, Switch/Switch 2 Supports the built-in Vibration Feedback with no delays by plugging the two USB ports of the adapter into your Wii U system or PC USB connector ports Compatible with Windows XP, Vista, Windows 7, Windows 8, Windows 10 and more, and Mac OS under the PC mode Compatible with all games supported by the Wii Classic Controller, Wii Classic Controller Pro