2 IN 1 USB TO 3.5MM AUDIO ADAPTER: Upgrade 2 in 1 USB to audio jack can compatible all earphone, headphone, microphone with 3.5mm plug, meeting various needs, excellent noise reduction and anti-interference ability. Virtual 7.1 Channel surround sound ; 24 bit digital audio DSP processor; plug and play, hassle free to use. The sound card requires both the headphone and microphone ports to be connected simultaneously, and the 3.5mm jacks must be TRS Otherwise, it will not function correctly.- STANDARD 3.5MM JACK: Support audio input and output. USB audio sound card with 3.5mm jacks, supports universal stereo, gaming earphone, headphone, headset or microphone with universal 3.5mm jack. Please note: Connecting a sound card through an external HUB or USB extender may result in insufficient power supply, causing electrical noise. For optimal performance, we recommend connecting the sound card directly to the computer or headphones.- PLUG AND PLAY, NO NEED EXTERNAL DRIVER: Universal USB plug and play, no extra drivers are needed, easy to use, plug and play. Lightweight and portable size make it convenient to carry.- COMPATIBLE SYSTEM: The external USB sound card adapter can work with all mainstream operation systems, like Windows 7/8/9/10/XP/Vista/Mac OX X10.4-10.8/Linux- UTILITY EXTERNAL SOUND CARD DEVICE: Enable your PC or laptop with better sound output and input, suitable for various livestream, filming, video meeting, great PC sound card expansion or replacement.