... Fit for iPhone,iPad,iPod touch 4 2.5in1 connection kit,include HDMI,SD\TF,USB,Micro USB ... also it supports USB keyboard input.2.SD card connection: compatible with video and picture from the root ... by dock connector from SD card.3.microSD card connection: compatible with video and picture from the root ... USB port: charging and sync data, plug the connection into the dock connector port on iPad, iPhone, ...