Contoured to perfectly fit a player's hand the Black Wii Nunchuk controller builds on the simplicity of the Wii Remote controller & goes an extra step to meet the needs of gamers. The Black Wii Nunchuk controller connects to the Wii Remote controller at its expansion port & is used in conjunction with the Wii Remote controller. If you're a real gamer there's no finer way to take control of your Wii games than with the extra analogue stick & buttons presented by the Black Wii Nunchuk