This adapter allows you to connect speakers or headphones and a microphone to the USB 2.0 port of a computer. With this external sound card USB 2.0 equipped with a virtual 3D 5.1 and 2 x 3.5 mm Jack female taken to input and headphone / microphone, no need for an internal sound card! Simply plug it directly into an available USB port and connect your devices for a perfect sound. Supports 3D sound position and virtual 5.1 channel soundtrack. No need to install software, everything is done automaitiquement: Plug & Play