C-Media CM108 Virtual 7.1-Surround USB 2.0 External Sound Card with Hardware Volume Control and Mute
Powered by C-Media CM108 sound processor - Virtual surround 7.1 DSP processor - Dedicated earphone mute microphone mute digital volume up/down buttons - USB 2.0 data interface - Powered directly by USB no other power source required - Features 3.5mm stereo earphone and microphoine jacks - Supports Window 98SE/ME/2000/XP/2003/Vista/Linux/Mac OS - Driver-free installation when used with modern Operating Systems - Software and drivers CD included