you do not need additional cable to mirror Ipad , ipad2 , iphone3g , iphone4 , iphone4 !!!! when I first get it I run some test , be initially disappointed it could not mirror my iphone4 . then I find out I have to buy additional cable -lrb- what the hell ?! -rrb- and be not happy about that ! so I start research ... . . after 2hours BINGO !! find a free solution ! if you have a jailbroken ipad1\/ipad2 or iphone -lrb- any version ! -rrb- goto cydium and search for tvout2 once u install tvout2 -lrb- it be free -rrb- , you will not need additional cable to mirror you ipad\/iphone screen !! just the include 3m cable be enough !!! it will mirror exactly what be on you idevice screen with the sound come out from projector ! can play angry bird or browse the net with projector ! that little application make this projector AMAZING ! without this amazing tvout2 app , the projector be 3 star due to additional cable requirement . with this amazing little app , projector be 100 star : d have fun you all