USB Virtual 7.1 Channel External Sound Card Adapter.
Function: It connects to a computer via USB to provide audio input and output jacks, acting as a replacement for a damaged sound card or for adding extra ports.
Features: It features a stereo output jack, a mono microphone input jack, and physical buttons for microphone mute, speaker mute, and volume control.
Technology: It uses USB 2.0 full-speed (12Mbps) specifications and supports virtual 7.1 surround sound emulation.