Fangrui Product Details Usb Sound Card: This External Sound Card Audio Through A Single Usb Port To Your Computer; This Sound Card Using 3.5mm Jacks, A Headphone Port, Line-in And Stereo Microphone Inputs Upgrade Your Pc Sound: With Support For Analog And Digital Audio Output For Stereo To Audio Applications, The Bus-powered Audio To Usb Adapter Upgrades The Existing Integrated Audio On A Desktop Or Laptop Computer; Quality Audio: Supports 44.1khz And 48khz Sampling Rates For Analog Playback And Recording; Digital Output Only Supports 48khz Audio Playback; Optical Input Passthrough Supports Up To Two-channel Audio At 48khz Easy Installation: The Digital Audio Adapter Is Easy To Install With Plug And Play The External Sound Card Features Easy-to-use Volume Controls And Mute Buttons; The Audio Outputs Are Selectable Via The Included Software Colour:black Material:plastic Package Contents: 1x Usb Audio Interface Sound Card 1x Connecting Line 1x English Manual Only The Above Package Content, Other Products Are Not Included. Note