USB Virtual 7.1 Channel External Sound Card Adapter

http://dx.com/p/usb-virtual-7-1-channel-external-sound-card-adapter-59077

Drivers
Windows driver http://sgcdn.startech.com/005329/media/sets/C-Media-CM108_Series_Drivers/CMedia_CM108.zip

Ubuntu driver

MacOS driver : plug and play (les boutons du dongle contrôlent meme le volume du Mac. > system_profiler SPUSBDataType

C-Media USB Headphone Set :

Product ID: 0x000c Vendor ID: 0x0d8c (C-MEDIA ELECTRONICS INC.) Version: 1,00 Speed: Up to 12 Mb/sec Location ID: 0xfa130000 / 6 Current Available (mA): 500 Current Required (mA): 100

Docs

 * http://sgcdn.startech.com/005329/media/sets/ICUSBAUDIO7_Manual/ICUSBAUDIO7-FR.pdf
 * http://eu.startech.com/media/products/ICUSBAUDIO7/PDFs/ICUSBAUDIO7_Datasheet-FR.pdf