Designed for Silent Computer : USB external sound card integrates audio input and audio output interfaces, It is an Perfect alternative to a faulty sound card or audio port, Provides an alternative solution for a failed sound card. it enables you to connect your existing headset with 3.5mm TRRS to your PC through a USB interface. High Sound Quality : The smart chip inside the USB external sound adapter ensures sound quality. Efficiently Decoding the signal of sound. The tone quality transformed by this kind of smart chip is excellent, it can realize to the clear tone quality and smooth transmission. Plug and Play : No need to download the driver, the system will automatically recognize the USB to 3.5mm port in a few seconds. USB bus powered,No external required. just plug and play. Durability and Portability : The premium metal case and Nylon braided wire a longer life for the USB stereo adapter. It takes up very little space in your laptop bag, and small body doesn't block other USB ports. Compare with a USB adapter made from plastic casing and PVC cable.Our products are more durable. Extensive Compatibility : This sound card for , PC and More. Supports USB audio adapter systems, including for Windows/ / Linux/ Pc/ Laptops/ Brand: Type: external sound card Support channel: 7.1 channel Installation : external Interface: USB, 3.5mm audio port 3.5mm audio port 3.1x0.8cm Wire core: tinned copper size:5.2x1.8cm, line length 0.5m Material:Nylon + metal colour:Black Package Contents: 1 x USB to 3.5mm Jack Audio Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.