5 in 1 Connection camera Kit for iPad 1.1: USB port: Plug the connection into the dock connector port on your Pad, and then attach your digital camera or Phone (excluded iPhone3G) via an USB cable. Or import photos to Pad through USB flash disk. Besides, the USB port supports external PC keyboard input.2: SD card port: Plug the connection into the dock connector port on your Pad, and then insert your SD card. 3: Micro SD card port: Plug the connection into the dock connector port on your Pad, and then insert your Micro SD card.4: 3.5mm DC port: Output video to TV. Plug the connection into the dock connector port on each machine; attach TV using the accompanying TV cable.5:Mini USB port: Charging & Sync data. Plug the connection into the dock connector port on your machine; attach power adaptor or computer using the accompanying Mini USB cable.