The Nintendo DSi microphone / stero headphones lets you talk to other players through Nintendo's Wi-Fi enabled DSi console, or record your own voice in noisy environments. Featuring 24K gold electroplate plugs and volume control, the Nintendo DSi microphone / stero headphones eliminate electromagnetic and radio frequency noise, leaving you with greater sonic accuracy and a more detailed, natural sound, and you can adjust the volume as needed without disturbing others. The included silicon seal gels give players exceptional comfort during extended game play.