Why you need this adapter Restores headphone and headset capability when a device has no working 3.5mm jack or when you want an easy external sound card. Converts a USB port into a TRRS 4pin 3.5mm audio jack so you can use standard headsets or speakers with devices that lack or have a damaged audio port. Simple, reliable, and portable solution for computers, Chromebooks, Raspberry Pi, and PS4 without modifying system settings. Key features and benefits Wide compatibility: Works with Windows 10/8.1/8/7/Vista/XP, OS X, Linux, Google Chromebook, Windows Surface 3 pro, Raspberry Pi, and other USBequipped PCs, laptops, desktops, and PS4. Convert a USB port to a TRRS 4pin audio jack to connect a 3.5mm headset or speakers. NOT compatible with IOS standard headphones, TV, amplifier, car, PS3. Driver plug & play: No driver installation required. USB buspowered — no external power supply needed. Connect and use immediately. Compact, userfriendly design: Small metal housing and an over1foot cable length prevent interference with adjacent USB ports and make the adapter easy to carry in a pocket, bag, or laptop case. Clear, stable audio: Builtin smart Chipset decodes audio signals at speed to deliver full, natural sound and accurate tonal reproduction for both voice and media playback. Durable construction: Sapphire Blue Metal Housing provides wearresistant, corrosionresistant protection with a solid feel. The cable combines 20 strands of three cores of enameled copper with soft, durable PVC insulation and density shielding for stable signal transmission and a comfortable touch. TRRS support: Fourpin 3.5mm jack supports headsets with microphone and stereo output via a single connector. Typical uses / applications a broken headphone jack on a laptop so you can continue using your favorite headset for video calls and media. Add audio output and microphone input to a Chromebook, Raspberry Pi, or Windows Surface 3 pro for conferencing, online lessons, or voice recording. Connect a 3.5mm headset to a PS4 for game audio and voice chat without changing console settings. and support Reliable coverage: MillSO offers an unconditional for this USBtoaudiojack external sound adapter. If you encounter any quality issues, contact MillSO's 24hour customer support team for prompt help and resolution.