HY554 Virtual 5.1-Surround USB 2.0 External Sound Card
Virtual surround 5.1 DSP processor - 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