1. The HDMI Adapter is compatible with/ for ipad2; iphone4; ipod touch4G
2. Support to transmit the video and audio to HD TV or your DOCK to HDMI for ipad; iphone; ipod; touch; use to only transmit video
3. Supporting videos, movies, MTV, Podcast, ect...
4. Supporting 720P/ 1080P HD Digital signal output.
5. The HDMI adapter is small as like as the camera connection kit fir ipad, and it's portable.
6. Plug and play. There is no power supply as well as no jailbreak.
7. Additional Micro USB port has performance as data transmission.
8. The USB port can easy download the photos from digital camera to your ipad and support external USB keyboard.