Compatible with USB2.0 pure digital audio output, virtual 7.1 channel processing capabilitySupport ordinary speakers or headphones, with a microphone holeUSB interface, plug and playWith microphone recording functionMulti-channel technology to achieve 7.1-channel dynamic soundType: USB 2.0 External Sound CardInterface: USBSupport channel: 7.1 channelProduct size: 4.5x2.9x1.5cmLine length: 10cmKaraoke functionDynamic rotating sound fieldHeadphone and speaker mode free switching functionAnalog speaker position free adjustment functionmixer functionoutput level adjustment16 rhythm preset modes;23 sound field preset modes;Converts analog signals (microphones and line signals for CD, MP3, TV, tape recorders, etc.) to digital and saves functionality Virtual USB 7.1-channel sound adapter is a highly flexible audio interface that can be used with any desktop or laptop system . Bundle the sound of xear 3D emulation software and turn your stereo speakers or headphones into a 7.1 channel environment. No driver installation required, plug-and-play instant music playback, and compatibility with all major operating systems. The USB 2.0 full speed (480 Mbps) specification complies with the best-in-class 1.0 USB audio device specification for USB bus-powered mode, requiring no external power supply.Colour:blackMaterial:ABSPackage Contents:1 x USB Sound CardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.