Product DescriptionPlug the Sound Adapter into your USB port‎,‎ and then plug your headphones into the Adapter‎.‎ Ta‎-Da‎!‎ 7.1 Channel sound without the investment in a whole set of speakers‎!‎ 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)‎‎.‎ The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with desktop or notebook systems‎.‎ Comes bundled with Xear 3D Sound simulation software‎,‎ and turns your stereo speaker or earphones into a 7.1 channel environment‎!‎ USB2.0 Full‎-Speed ‎(‎12Mbps‎)‎ Specification USB HID ClassSpecification1.1 USB Audio Device Class Specification 1.0‎.‎ USB bus‎-powered‎,‎ no external power required‎.‎ Connectors‎:‎ USB Type A‎,‎ Stereo output jack‎,‎ mono microphone input jack Xear 3D virtual 7.1 channel sound simulation software for Windows XP / Vista is included Functions keys‎:‎ Microphone‎-Mute‎,‎ Speaker‎-Mute‎,‎ Volume‎-Up and Volume‎-Down LED indicators‎:‎ Microphone‎-Mute Status‎,‎ Activity Plug and Play‎.‎ No drivers required for Windows 98SE / ME / 2000 / XP / Server 2003 / Vista‎,‎ Linux‎,‎ MacOS Dimensions‎:‎ 2.25‎"‎ x 1.0‎"‎ x‎.‎50‎"‎ Package Includes‎:‎ ‎-‎- 1 x 7.1 Channel External USB Audio Sound Card Adapter ‎-‎- 1 x Software Disc for Xear 3D