... ,iPod touch 4 2.5in1 connection kit,include HDMI,SD\TF,USB,Micro USB function interface. 1.Fit for :iPhone,iPad,iPod ... .2.SD card connection: compatible with video and picture from the root directory ,to transfer the files to iPad by dock connector from SD card ... picture from the root directory, Plug iPad by dock connector and insert micro SD card.4.HDMI: it can be connects to your iPhone ...