3 Port Usb 2.0 External 7.1Ch Stereo Sound Card Adapter 2 Micphone Jack 3.5mm Earphone Audio AU For Pc

3 Port Usb 2.0 External 7.1Ch Stereo Sound Card Adapter  2 Micphone Jack 3.5mm Earphone Audio AU For Pc Free drive: support WINXP, VITST, WIN7win8.1 system does not need to install drivers;Easy operation: Just connect the headphones or speakers, the 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 channels), the effect is similar to the motherboard integrated HD sound card, better than the AC97 integrated sound card effect, no noise, no current sound The microphone is very loud and is especially suitable for web chat. Output power supply: 5V 600 mAhInterface: usb2.0Expansion interface: 3 portsSystem support: win98 2000 xp vsita 7 8 8.1Device support: mouse keyboard u disk mobile power camera printer etc. other usb devicesProduct packaging size: length 8.8CM, width 2.5CM, height 14CMSuper mini USB two-channel sound card (compatible with 7.1 channel / with microphone jack)This baby high-speed USB2.0, anti-interference, no current sound, no noise, real drive-free support all windows XP/2000/win7win8.1 also supports Apple BOO Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.