It is a USB audio conversion adapter that can convert 3.5 mm plug headphone, speaker etc. audio output and microphone input via USB. Application for audio input / output terminal not to be used or replacement for broken PC or game machine, for speaking on Skype, for relaying speaker connected to PC, for recording by sending only PC game sound from smartphone during game commentary etc. To do. • Through this audio conversion cable, the sound quality is improved much more than connecting to the USB terminal with a personal computer. You can experience a realistic three dimensional sound field spreading in movies, games, etc. even with headphones with 3D surround function. Please note: Only TRS (3 stages) 3.5 mm mono mini jacks are supported, but TS and TRRS are not supported. • Applicable to a wide range of applications: Voice chat, recording, karaoke, viewing music and movies can be realized. Adopt C-Media IC technology to digitally / analogize sound data outside the PC, it is hard to be affected by noise inside the PC, it prevents sound quality degradation, you can enjoy clear high sound quality. • Compatible with devices equipped with systems such as Mac OS / Windows ~ / WindowsXP // Linux. Sound cards and drivers are unnecessary and easy to connect to USB ports. It corresponds to all mainstream operation system. It has 2 ports for output 3.5 mm plug, so you can connect headphones and speakers at the same time. • Adopt core ABS high strength material, smooth appearance, gloss finish surface, luxurious finish. It is compact, lightweight, the corner is about 50 g, the cable length of about 15 cm which is easy to handle is convenient to carry, it is also ideal for placing the USB port on the back of the PC at hand.