Audio Card Adapter Usb 2.0 3d Virtual Sound 7.1 The audio adapter Virtual 7.1-channel USB is a highly flexible audio interface that can be used with desktop or laptop computers. No drivers required, just plug and play for instant audio playback. Also compatible with all major operating systems. Features  EAN code: 6901119751033 Connector: 4x 3.5mm audio jack Connector: 1x USB 2.0 Color: Black Function keys to enable or disable microphone and audio , turn the volume up or down It does not need an auxiliary power supply, it is powered by the USB port  Compatible operating systems: Windows XP / Vista / 7/8 / 8.1 / 10, Linux, MacOS 10 or higher.