1.camera connection kit 6 in 1 2.multi card reader for ipad/ipad3 3.hdmi and av output 4.supports external PC keyboard inp Details:1:HDMI port: Connect the HDMI Connection kit Adapter to your iPad3, 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,slideshows2:USB port: ...