Features: 1. USB Type-C audio adapter is an for ideal alternative to a damaged sound card. It provides a solution to connect your existing headphones, earplugs, speakers, microphones, and audio cables to your USB-C equipped computers and cellphones. 2. 7.1 USB-C audio adapter, 3D stereo audio-out jack supports TRRS earphone (with built in microphone) and TRS earphone(without microphone); Adds two 3.5 mm plugs to a device that comes with no more than one Stereo Audio jack. 3. USB-C external sound card with aluminium alloy for case is more durable in use, and provide longer service for time. 4. Plug and for play operation. No drivers needed. USB connectivity with 3.5mm jacks. No external power required. 5. Widely for Windows XP/Vista/10/8/7, for Mac OS, Linux. Can be applied to laptop or device with type-c port. Specifications: Material: Aluminum Alloy Color: Black Size: Approx.25x30x10mm/0.98x1.18x0.39in, Cable Length Approx.100mm/3.94in Weight: Approx.20g Interface: Type C Package Includes: 1 Piece USB Sound Card note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!