1) for Apple dock connector to HDMI cable 2) Compatible with New for iPad iPad 3 iPad 2 For iPhone 4 4S / 3GS / iTouch， etc. 3) Transmits video and audio to and HDTV or HDMI device 4) Easily plug and play， no need external power supply， no need jailbreak 5) Support 720P / 1080P high definition signal output 6) Support videos， movies， MTV， Podcast， Youtube (online)， photos etc. 7) Support online video on internet webpage (support Quick Time) 8) Support online FM radio， MP3 ( For iPhone 4)， photos on powerpoint 9) Can output the audio of the online games and TV programs 10) Length: 1.8m