The Voice Recognition Unit was released in 2000 by Nintendo as an add-on to the Nintendo 64 Hardware. It came in two parts: the "Voice Recognition Unit", which was a grey box that plugged into a controller port in the front of the the N64 unit (typically controller port #4), and coded your voice into signals the game software could understand; and a grey microphone that plugged into the VRU's microphone slot. Also included was a strap to mount the microphone onto the controller, and a yellow foam ball to place on the end of the microphone. The VRU came bundled with the game Hey You, Pikachu!, a pet simulation game in which you control and talk to Pikachu with your voice.

Games that supported the VRU

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