... USB Sound card 1, USB 6 Channel 5.1 External Sound Card 2, OS support: win98/xp/2000 / Vista USB Sound CardThe Vitrual 7.1CH USB Sound Card is ... Bundled with Xear 3D Sound simulation software, it turns your stereo speaker or earphones into 7.1 channel environment. No drivers required ... 6. Mute control7. Include Xear 3D, the virtual 7.1 channel sound simulation software for Windows XP/Vista 8. Driver not ...