Usb Audio Adapter is ideal to replace your faulty sound card or audio port, it adds a mono microphone-in and a stereo audio-out port to your computer through a USB port, which enables you to connect your existing headphones, headset, speakers, or microphone with 3.5mm jack to your PC through a USB interface The USB Sound Card protects against electromagnetic interference and enjoy the stable and best sound quality. Quite great for Skype/ ICQ/ Google Hangouts/ TeamSpeak, additionally suitable as a second sound source for simultaneous operation of loudspeakers and headphones. Versatile use. Connect headphone and avoid noise and enjoy exciting game. Karaoke, voice chat are also supported.