Description:Easy to use， plug and play， no drivers requiredEnjoy your favorite game with your loved GameCube controllersConnect up to four GameCube controllers simultaneouslyBest solution to use GC controller in Super Smash Bros. For the GameCube Controller Adapter allows you to connect up to four GameCube controllers (or wireless GameCube controllers) to a Wii U system and PC USBWith two GameCube Controller Adapters， up to eight GameCube controllers can be used at the same timeSwitch to "Wii U" or "PC" mode by using the switch located on the sideSupports the GC/Wii Emulator DolphinSupports 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.The driver is required if you need the vibration feedback on the PC mode. Compatible with Windows XP， Vista， Windows 7，Windows 8，32 bit and 64 bit and Mac OS under the PC modeGameCube Controller Adapter (For Nintendo Wii U/PC DVD/Mac OS X)Platform:Windows XP / Vista / 7， For Nintendo Wii U， MacPacking list:1x Controllers Adapter