1.Support to transmit the Video and Audio to HD TV 2.small , just like the camera connection kit 3. ... touch4G.2. Support to transmit the Video and Audio to HD TV or your DOCK TO HDMI for iPad/iphone/iPod ... but also be as a charger.3. Support 720P/1080P HD Digital signal output.4. Support videos, movies, MTV, Podcast, etc ...