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 OMTP standard 3.5mm TRRS jack headphones.Wide Compatibility with Windows 10/8.1/8/7/Vista/XP, Linux, OS X 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. and Portable Design: Light and easy to carryColour: BlackMaterial: aluminum alloy + nylon wireSize: length about 0.2 metersPackage Contents:3 x USB to audio jack AdapterOnly the above package content, other products are not included.Note: Light reflection 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.