GameCube 4 Port Controller Adapter for Wii U & Switch
The GameCube Controller Adapter for Switch and Wii U lets you play Super Smash Bros. the way it was meant to be played. The four included ports support up to four GameCube Controllers or four Wavebird controllers.
PRODUCT Features
Use up to 4 GameCube controllers on the Wii U or Switch.
Compatible with Wavebird controllers.
Perfect for Super Smash Bros. for Wii U., and Super Smash Bros. Ultimate for Switch.