7.1 Channel sound without the investment in a whole set of speakers! The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with desktop or notebook systems. Plug the Sound Adapter into your USB port, and then plug your headphones into the Adapter. Tired of trying to stretch your cables around the back of your computer? Plug this Adapter into a USB port on the front, and use the headphone jack (for output) or the microphone jack (for input). Connectivity Technology: USB 2Ch speakers directly supports 3D positional sound and virtual 7.1 Ch sound track Powerful and Reliable Integrated 2 channel USB Audio Controller. 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with desktop or notebook systems. Plug the Sound Adapter into your USB port, and then plug your headphones into the Adapter. Tired of trying to stretch your cables around the back of your computer? Plug this Adapter into a USB port on the front, and use the headphone jack (for output) or the microphone jack (for input)