SHARKK® 5 in 1 Card Reader Connects Cameras, USB, & Memory Cards To iPad and iPad2 and The New iPad 3rd Generation (ONLY WORKS WITH PICTURE FILES)
Reader does not support USB sticks and SD cards that need to draw power from iPad to run, such as Kingston ones with LED lights and other high end memory devices.
When you plug your memory device into the reader you will get a error message saying "Accessory not supported" This is standard. Just click "ok" and ignore it.
Create DCIM folder and place ll pictures in that file before trying to transfer.