USB external sound card easily adds a 3.5mm aux TRRS port (integrated audio-in and audio out interface) to your computer,which enables you to connect your existing headset with 3.5mm TRRS to your PC through a USB interface.Note: It does not work with headset with separated headphone and microphone 3.5mm audio port.Alternative USB Stereo Audio Adapter: It is perfect to bypass a faulty sound card,audio port, or as a replacement for a broken USB audio adapter.Superb Sound Quality: USB external sound adapter adopted Advanced C-Media IC technology for optimal sound quality and device performance.It is constructed of durable ABS housing and with ultra compact design.Flexible Cable Design: the 15cm cable length of the USB to 3.5mm Adapter offers more space when using with more usb ports on Laptop.Easy to set up: no driver required, just plug and play! USB bus-powered, no external power required.Wide Compatibility: This headphone to usb adapter works with any standard USB Audio Class enabledsystem including Windows 10/8.1/8/7/Vista/XP, Mac OS X, Linux, and PS5 PS4, Google Chromebook, Windows Surface 3 pro, Raspberry Pi etc.