1.ipad/iphone/ipod vedio, audio and pictures output to HDMI display-device 2. Maintains high definition resolutions HDMI signal. 3.Can connect USB devices, such as camera, keyboard 4.USB ports supports hot-swapping Plug-and-play function 5.It can be used while charging, so there is no need to worry about the lack of power during use. Application: 1. First TV/monitor connection to HDMI adapter, then input HDMI adapter to ipad/iphone/ipod though extended cable 2. Play Hd-video in ipad, or Play from Wireless networks 3. Adjust TV. set HDMI as Signal input channel 4. Placing the switch in the USB state, and then insert the USB equipment, support U-disk, USB keyboard, digital camera Description 1. The HDMI Adapter is compatible with/for ipad, 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 720P/1080P HD Digital signal output 4. Supportting videos, movies, MTV Podcast, etc 5. The HDMI adapter is small as like as the camera connection kit for ipad, and it's portable 6. Plug and play. There is no power supply as well as no jailbreak 7. Additional 30pin Female port has performance as data transmission Package Included: 1 X 30pin male to HDMI Adapter For Apple ipad1/2 iphone 4s/4/3GS iTouch 4