... required Connectors: USB type-A, stereo output jack, mono microphone-input jack Functional keys: microphone-mute, speaker-mute, volume-up, and ... , activity Includes xear 3D, the virtual 7.1 channel sound simulation software for Microsoft Windows XP/Vista No driver required ... MacOS 10 or higher Xear 3D (virtual 7.1 -channel sound simulation software) for Microsoft Windows XP/ Vista Stereo active speaker ...