If you want to share videos from your iOS device with your friends, you might be interested in the latest pico projectors that come from Aiptek.
MobileCinema i50S and the MobileCinema i50D are the latest pico projectors from Aiptek, and both of them are designed to work with your iOS devices.
MobileCinema i50S is designed like a protective case that attaches to your iPhone 4 or iPhone 4S, while the MobileCinema i50D is designed like a dongle that connects to your iPhone, iPad or iPod via 30-pin dock connector. Both of these projectors are using DLP technology, 640×480 resolution, 1000:1 contrast ratio, and 35 ANSI lumens brightness with RGB-LEDs.
We have to mention that both projectors can produce up to 60-inch images, and both of them can work as a backup battery that can provide you with 2 hours of projection or with 80% of your battery charge.
MobileCinema i50S and MobileCinema i50D are both multifunctional pico projectors, and as for the price, each of these models is available for 249 Euros.