I purchased this with Amazon Prime since I needed it for importing pictures to my computer. When I first opened the package it looked OK. With the first attempt to place my CF card into the slot I realized this product is cheaply made. The CF card did not fit. I tried to wiggle it in and one of the pins on the card reader bent. I know how delicate these pins are, but I had no other option but to wiggle it since the hole was too small to fit the card. I did not even bother trying to use the other card reader slots or the USB ports. I packaged it up and placed it in a box to return. Do not buy this product for the card reader slots. If you want it for the USB ports, they sell other ones that have just USB ports; go for one of those.