This is obviously not the official receiver from Microsoft, but it works as intended with a wireless 360 controller, although it's not an "out of the box" experience.
There was a MiniCD bundled with it that said "Drivers and Manual" I think. It didn't work at all, my CD-drive wouldn't tell if it was blank or wrongly formatted or anything, just nothing. Threw it away.
The seller had also included a small note that said I could also access these files from their website. I didn't bother with that, and went straight for the official Microsoft drivers that I already had lying around on my PC from a previous attempt at installing a broken receiver. After fiddling around with recognizing the correct hardware and corresponding drivers it finally worked. And it works like a charm.
All in all, this works as a receiver, but it may require some work around with finding the drivers.