Convenient: A USB external sound card can easily add a 3.5mm AUX TRRS port (integrated audio-in and audio-out interface) to your computer, allowing you to connect your existing headphones with 3.5mm TRRS to your computer via the USB port. (Note: Does not work with headphones with a 3.5mm audio port for separate headphones and microphones)Replacement USB Stereo Audio Adapter: Great for bypassing a faulty sound card, audio port, or replacing a broken USB audio adapterSuperior sound quality: The USB external sound adapter uses advanced C-Media IC technology to achieve the best sound quality and device performance. It is constructed from a durable ABS shell with an ultra-compact designFlexible Cable Design: The 15cm cable length of the USB to 3.5mm adapter provides more space to use more USB ports on your laptopEasy to Install: No drivers required, just plug and play! USB bus-powered, no external power supply requiredWide Compatibility: This headphone to USB adapter works with any standard USB audio class system, compatible with Windows 10/8.1/8/7/Vista/XP, Mac OS X, Linux, and PS5 PS4, Google Chromebook, Windows Surface 3 pro, Raspberry Pi, etc. Specifications: Type: USB A to 3.5 AUXChip model: ALC4032OS: Compatible with Mac OS/Windows/Linux, etc. Package included: 1 x USB Sound Card Adapter 1 x English and Chinese Manual Other items not included