Because of the price, the return was not worth, but I would have to be taken aback when the on / off switch without function was (only) when new, unused product. I then my Pi connected to the part, and after 2 weeks the part was then blown. Also various other parts (2.5 "HDs) do not work properly on it. The stroke was also operated on a surge-protected power strip, so the error not been caused by a surge from the power grid,
Another Pi runs on a mobile phone 2A-plug power supply without problems. The LogiLink is therefore from my side no buy recommendation.