Microphone in and audio jack out from any PC USB port: USB audio sound card adapter can be serve as a replacement for broken audio jack or damaged sound card on your computer/desktop.^ Use with USB hub that already connected to your computer, easy to turn your existing USB port to an audio output.^ Aluminum USB2.0 laptop stereo sound adapter is plug and paly, no driver is required, your laptop or computer will detect the audio adapter automatically within seconds.^ Audio headset converter support high quality audio input/output, nickel-plated usb2.0 interface ensure effective data transmission up to without compressed.^ USB Bus-power: no additional power supply required; installation is pretty is easy as no driver needs or pre-set the sound card on your computer.