According to the manufacturer description ...

... Was this card reader 500 times tested before being sold !!
So endweder has the reader exactly 500 times works and unfortunately a 501 wirds not give
or jennige has tested slept 500 times
or stick has been tested NULL times

is indeed sausage because he does not work namely !! my pc smaller quad-core 4GB RAM all onbard with Win 7 with all updates

stick was connected instaliert and answered Frolich in second cycle repeatedly on and off
But therein a map was not displayed at all

with micro SD card which he also did not indicate heard of and probably log on but once ne normal sd lkarte was plugged went merrily

had read me the really few negative reviews and thought well you scho will not hit yet

as long story short, the part is defective or has been tested too often ;-)

and ne question to all, there are at all good card reader? suck lately the share nothing at all more regardless of whether cheap or expensive Ruck Zuck enter the s spirit, ten years ago on my old PB computer that part has kept 8 years and going determined still merely he is firmly connected to the old housing