Description: Connecting your devices like camera, card reader, thumb drive, keyboards and other portable devices with this 30-Pin OTG (on-the-go) to USB 2.0 adapter. Functions depended on the device's operating system and applications. Adapter allows you to use standard USB devices with iPad 1/2/3. Method of use: 1: First, newly built in the U disk or memory card "DCIM" folder. Put the photos and video in. 2: Connecting the iPad with this cable. Then checking whether they are connecting well or not? (Checking method: Settings - general - about the version, the version on the menu, look to whether will pop up "5 in 1 Card reader" information. If the pop up, prove that have good connection and the identify the product already.) 3: To put something into the U disk in the photos with a digital camera or camera and video. (you must use camera) -- -- -- -- -- -- -- -- -- -- -- -- -- no ifile software the only copy of the photo and video! No escape, ifile installation. Plug in memory card or usb flash drive, wait a few seconds, in the pop-up pictures of choice, can be imported into the device Put some in the U disk or memory card film, music, OFFICE files. (Specific as follows: open the ifile - 1 - in the right sidebar - flash can see u disk or memory card film, music, OFFICE files, then click on the selected, select the open way. )