The GameCube Controller Adapter Converter for Wii U Super Smash Bros is a Nintendo-branded controller adapter designed for use with Nintendo Switch, Wii U, GameCube, and Wii platforms. The sleek black adapter allows for wired or wireless connectivity and is compatible with the Nintendo Wii U console. Made of durable plastic material, the adapter features a matte/anti-glare finish and is designed to provide a seamless experience for gamers looking to enhance their gaming setup with the iconic GameCube controller.