The Dsi Microphone and Stereo bass earphones lets you talk to other player through 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 and Stereo bass earphones 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 gives players exceptional comfort during extended gameplay