the device itself works when plugged in but it causes bug on my mini apple. From the moment I plugged I had loss of communication problems with my mouse (USB transmitter, Logitech Performance MX), I was able to quickly demonstrate that it came from the hub. I also tested it with a magic mouse, by cons no problem, knowing that the magic mouse communicates via bluetooth .....
In short, it is of no use to me now because it does not matter that I go to the magic mouse ....