6-in-1 HDMI Camera Connection Kit with HDMI port for iPad, iPad 2, iPad 3 | AV connector, USB, Micro-USB, SD / Micro SD Card Reader | Original Chip - Compatible with iOS 7 (Electronics)
I think you could have said in the product description that the adapter no MIDI transmission, for example, to connect a keyboard supported. The Apple-Adapter can, these but not here !. But you can connect a video projector for (HDMI) ...