*HDMI & USB Adapter For iPad iPad2 iPhone4 ipod *The HDMI Adapter is compatible with iPad, iPad2, iPhone 4, iPod Touch 4G * Support 720P/1080P HD Digital signal output* Support videos, movies, MTV, Podcast, etc.* Just plug and play, no need external power supply* The USB port can easy download the photos from digital camera to your iPad and Support external USB keyboard