... USB port. Stereo active speaker or stereo earphone. Windows 98SE, ME, 2000, Server 2003, XP, V Add a virtual 7.1 channel ... Stereo output jack, mono microphone input jackXear 3D virtual 7.1 channel sound simulation software for XP / Vista is includedLED indicators ... : Windows 98SE, ME, 2000, Server 2003, XP, Vista, Linux, MacOSDesktop or notebook PC with a USB port.Stereo active speaker or stereo ...