Shaped like a TV remote, the controller has been designed to be easily used by beginners and pros alike. Sensors determine the Wii Remote's position is in 3-D space, which means that racing-game steering and a tennis swing, for example, are done through movements of your hand rather than by just your thumbs. What's more, a tiny speaker built into the Wii Remote promises some interactive surround sound experiences. The controller also has a force feedback "Rumble" feature and an expansion port for use with accessories, such as the Nunchuck, which adds an analogue thumbstick and trigger buttons 1)Controller for Nintendo Wii 2) Maximum controller connections: 4 3) Operating distance: 5 meter 4) Size: 148mm (L) x 36.2mm (W) x 30.8mm (D) 5) Pointer: Pointing function 6) Motion sensor function 7) Oscillating function 8) Buttons: A, B, - (Minus), + (Plus), Home, 1 and 2 9) Extension unit connectable 10) Speaker 11) Player indicator Features 1. Easily snaps onto the Wii Remote for fully wireless Wii gaming 2. LED Status Indicator lets you know when you are connected 3. No more cord hitting you in the face during frantic gaming 4. This is a kit for your Wii Remote/Nunchuk 5. 100% Workable Size: 148mm (L) x 36.2mm (W) x 30.8mm (D)