[ios 7 available] USB OTG Connect kit for ipad mini/4th/air and iphone 5/5S using keyboard

[ios 7 available] USB OTG Connect kit Funtion 1: iPad mini/4th/air for Photos/Videos and connect with USB PC Keyboard, USB Piano Keyboard. Funtion 2: in case of iPhone 5/5S, Only connect with USB PC Keyboard, USB Piano Keyboard. Not Photos/videos