... use for ipad,for ipad2,for iphone4, for ouch 4 (version:3.2.1/4.2.1/4.3 2 IN 1 Connector HDMI adapter cable + USB cable for iPad iPad 2 iPhone ... . Can use for ipad,for ipad2,for iphone4, for ouch 4 (version:3.2.1/4.2.1/4.3 or higher) ;4.Easily plug and play, no need ...