- For connecting a 3.5 mm jack headset / microphone / loudspeaker to a PC / notebook / tablet with USB-A ,- Especially compact, therefore easy to transport with the notebook / tablet ,- No risk of confusion thanks to PC-99 colour coding of the audio sockets ,- Easy installation via USB - no additional drivers ,- Chip set for especially good stereo quality , ,System Requirements: ,- Operating system: Windows 10/8/7/Vista/XP and Mac OS from 10.8