Gamecube to Wii U or PC Adapter with 4 Ports

The GameCube Controller Adapter allows you to connect up to four GameCube controllers (or wireless GameCube controllers) to a Wii U system and PC USB. Features:   With 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 Dolphin. 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. The driver is required if you need the vibration feedback on the PC mode.   Compatible with: Wii U. Windows XP, Vista, Windows 7,Windows 8,32 bit and 64 bit and Mac OS under the PC mode.   Package Includes: Adapter.