Sound Card -External USB Sound Card Highlights Generic Brand External USB Sound Card Description: USB EXTERNAL SOUND CARD easily adds a 3.5mm port to TRRS (Built-in 7.1 audio in and audio out interface, microphone support) to your computer, which allows you to connect your headset with 3.5mm TRRS cable to your PC via USB interface. Additional USB STEREO AUDIO ADAPTER with ADJUSTABLE VOLUME: it is ideal for bypassing a faulty sound card, audio port or replacing a faulty USB audio adapter; With the ""+"" and ""-"" buttons, you can also adjust the volume as you like. SUPER SOUND QUALITY: USB external stereo sound adapter adopted Advanced technology for best sound quality and best performance. It is constructed with a durable ABS housing and an ultra-compact design. EASY TO INSTALL: No driver required, just plug and play! USB bus powered, no external power required. UNIVERSAL COMPATIBILITY: This USB headset adapter works with any standard USB Audio Class compatible system, including Windows 10/8.1/8/7/Vista/XP, OSX, Linux and PS4, Windows Surface 3 pro, Raspberry Pi, etc. Package includes: 1 Piece USB Stereo Audio Adapter with 3.5mm TRRS