THE FINEST SOUND CARD SUBSTITUTE: The QAJOPFN USB Audio Adapter is perfect substitute for your malfunctioning sound card or audio port. It extends the 3.5mm mono microphone input and speaker-headphone output via the USB port, allowing you to connect small speakers, headphones, microphones, dual-plug headphones and more. | EXCELLENT FUNCTIONS: The QAJOPFN external PC audio sound card utilizes a built-in DAC high-resolution IC to provide you with high-fidelity audio, avoiding electromagnetic interference and making the sound clearer. It supports plug-and-play and is powered via USB without external power. | AUDIO INTERFACE: The QAJOPFN USB sound card provides an alternative solution to damaged desktop sound cards, allowing you to use headphones for plug-and-play sound. However, please note that it only supports mono microphone TRS, not TS or TRRS. | WIDE COMPATIBILITY: The USB A to 3.5mm jack audio adapter is compatible with Windows 10/11, Linux, PS5, PS4, PCs, laptops, speakers, external TRS microphones, headphones and more. But please note that it only supports devices that can recognize USB audio driver properly, not TV or car. | CONVENIENT AND EASY TO USE: The QAJOPFN USB Audio Adapter provides a simple and easy to use experience, just plug it in and go. It is lightweight and portable, suitable for use in a variety of scenarios such as home, office, travel and more. Whether you are listening to music, watching movies or voice calls, it will bring you excellent audio effects.