All mobile solution USB to Sound Card Adapter 7.1CH, Stereo External Sound Card with 3.5 mm Headphone and Microphone Socket,5Hv2 USB Sound Card(ADP-0294) Sound Card  (White)

Product Information :- Free drive: support WINXP, VITST, WIN7/win8.1 system, no need to install driver Simple operation: Just connect headphones or speakers, beautiful music can be enjoyed immediately!! Small size, easy to carry. Compatible: USB2.0 pure digital audio output, virtual 7.1 channel processing capability (actually 2.1 channel), the effect is similar to the motherboard's integrated HD sound card, better than AC97 Integrated sound card effects, no sound, no current sound, microphone is very loud and very suitable for web chat.