Nintendo GC Controller Adapter - Genuine WUP-A-GGKA Description This is a peripheral required to play "Super Smash Bros. for Wii U" with a GameCube controller. Up to four GameCube controllers can be connected to one Wii U GameCube Controller Adapter. You can use your existing GameCube controllers. Nintendo GameCube Controller Adapter A tap that can connect four GameCube controllers, easily used via USB connection. The exterior is unused, and the internal circuit board is a used item in good condition. - Brand: Nintendo - Model: GameCube Controller Adapter - Number of Ports: 4 - Connection Type: USB