This Syba SD-CM-UAUD USB Computer Sound Card lets your computer play audio quickly and easily with the ease and usability of USB. The Syba SD-CM-UAUD USB to 3.5mm audio adapter features a 3.5mm speaker output jack along with a 3.5mm microphone input jack, simply plug the USB device into your system and you're ready to rock! This usb to 3.5mm adapter requires No drivers, no installation of sound cards, no fiddling with your system's current configuration.