Receiver only. This is a Wavephoenix receiver for the GameCube wireless controller Wavebird. Pairing is done by pressing the receiver's button and then holding down the Wavebird's X+Y buttons while the LED is flashing. It can be used on any Wavebird channel, so you can use four controllers on one GameCube. Receiver only. Operation confirmed. Customers outside Japan: Please use Buyee or other proxy services.