Interestingly vllt.noch, on [...] you can load drivers down, however, the download dialog is done in Chinese, so I can be back hab.
Yes, the ear cups are a bit small, but the padding is good, so that the pressure on the ears is not too strong, for hours I would like to but do not have to endure ...
The headphone sound is good, the microphone, I could not test that I wear for when I come to my attention something negative.
Addendum: 21/12/2014:
Today I know that even the micro is OK.
But you have to take some time and adjust acoustic characteristics in the setup. Take time because there probably is no readable instructions.
Attention: on [...] is an indication that models with SA-xxx are intended for chienesischen market, sales on Amazon and eBay were illegal.
Since it would be reasonable that Amzon Leaders pursue this regard.
