This 7.1-Channel USB 2.0 Bus-powered Sound Card Audio Adapter is perfect for you to enjoy high quality sound and robust USB audio experience. Plug-and-play under Windows without external memory，our audio adaptercan be connected to a host computer through a single USB connection to deliver impressive external audio capability that can instantly be swapped between systems， without having to open the computer case for installation. It provides a cost-saving upgrade that turns desktop or laptop sound into a home theater-ready audio feast. A regretless choice to bring you a long-lasting and dependable sound solution!                                    Features            New and high qualityPlug-and-play under windows without external memoryCan be connected to a host computer through a single USB connectionEasy to use， no need to open the computer case for installationBring you a long-lasting and dependable sound solutionHigh speed USB interface offers a high quality solution for upgrading desktop or laptop soundProvide a cost-saving upgrade that turns desktop or laptop sound into a home theater-ready audio feastNo driver required for Windows 98SE， ME， 2000， XP， Server 2003， Vista， Linux， Mac OS                                                            Specifications            Interface    USB2.0    <br>Color    White    <br>Weight    0.49oz/14g    <br>Compatible with    Driverless-NO Driver Required for Windows 98SE/ME/2000/XP/Server 2003/Vista，Linux，MacOS    <br>Mode    USB Bus-powered    <br>Dimensions    (4.53 x 3.94 x 0.98)" / (11.5 x 10 x 2.5)cm (L x W x H)    <br>Condition    New     <br>                                                            Package Includes            1 x USB Sound Adapter 7.1Channel