Features: The HDMI Adapter is compatible for iPad, iPhone4, iPad2. Support to transmit the video and audio to HD TV or your DOCK to HDMI for iPad, iPhone4, iPod, ues to only transmit video. Supportting 720P/ 1080P HD Digital signal output Supporting video, movies, MTV, Podcast,etc. The HDMI adapter is small as like as camera connection kit for iPad, and it’s portable. Plug and play. There is no power supply as well as no jailbreak. Additional Micro USB port has performance as data transmission The USB port can easy download the photos from digit camera to your iPad and support external USB keyboard. Size: 52*50*18mm Weight: 20g Package include: 1x HDMI & USB Adapter