1:HDMI port: Connect the HDMI Connection kit Adapter to your iPad, iPhone 4,iPhone 4S or iPod touch (4th generation) via the 30-pin dock connector and to your HDMI-compatible display using an HDMI cable .After you can enjoy the High Definition movies,slideshows. Tips: it can mirror whatever on iPad2/the New iPad/iPhone4S to HDMI-compatible display.
2: USB port: Plug the connection into the dock connector port on your iPad, and then attach your digital camera or iPhone (excluded iPhone3G) via an USB cable. Or import photos to iPad through USB flash disk. Besides, the USB port supports external PC keyboard input.
3: SD card port: Plug the connection into the dock connector port on your iPad, and then insert your SD card.
4: Micro SD card port: Plug the connection into the dock connector port on your iPad, and then insert your Micro SD card.
5: 3.5mm DC port: Output video to TV. Plug the connection into the dock connector Port on your iPad/ iPhone/ iTouch/ Nano/ Classic; attach TV using the accompanying TV cable.
6:Micro USB port: Charging & Sync data. Plug the connection into the dock connector port on your iPad/ iPhone/ iTouch/ Nano/ Classic; attach power adaptor or computer using attached Micro USB cable.
Multi-function Dock with Micro SD Card reader &HDMI Out for Iphone 4/4S/Ipad