USB external sound card audio adapter with 3.5mm jack: Support stereo sound listening and speaking, easily to connect a 3.5mm TRRS aux port to your devices, or use it as a replacement for a broken sound card audio adapter. Just plug and play easily : USB to 3.5 mm port will be automatically recognized by system in seconds. Can be used for most USB enabled devices, such as , PC, laptop, desktop, book, etc. Compatible with both CTIA and Android OMTP standard 3.5mm TRRS jack headphones.Wide Compatibility with /8.1/8/7/Vista/XP, Linux, google Chromebook, and ,Windows Surface 3 pro etc. Stereo sound effect and clear voice transmission (integrated audio-in and audio out interface).High strength nylon knitting , tensile resistance, strong and durable. Fashion and Portable Design: Light and easy to carry Colour: Black Material: aluminum alloy + nylon wire Size: length about 0.2 meters Package Contents: 1 x USB to audio jack 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.