Descriptions:100% Brand new and high qualityThird party made productThe 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 time Switch to ?��Wii U?�� or ?��PC?�� mode by using the switch located on the side Supports 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 modeDownload DriveSize : approximately 12.3 x 7.1 x 2.3cm (Adapter Mainbody， exclude cable)Weight : approximately 160gCable Length: approximately 150cmPacking list:1 x Controller Adapter