Great replacement if the soundcard in your computer has stopped working. Plug n play on most operating systems and has buttons to mute or adjust the volume of the speakers & mic. - Stereo sound - Microphone input - Plug and Play within Windows - Independant Sound/Mic Mute & Volume control buttons This USB soundcard can be used simultaneously with your onboard audio to allow 2 audio programs to be used with 2 sets of speakers.