Tripp Lite USB External Sound Card Microphone Speaker Virtual 7.1 Channel - 7.1 Sound Channels - External - USB - 1 x Number of Microphone Ports - 1 x Number of Headphone Ports

LEDs indicate status, activity and speaker/microphone mute Plug and play-no external power supply required Customizable audio settings via included CD software Supports 3D and virtual 7.1-channel surround sound Compatible with Windows, Mac and Linux