When I first meet the Mili Pro, I can’t say what is it.
As you see in the picture, Mili Pro isn’t just a projector compatible for iPhone, iPad, iPod, it is also a protector, and a rechargeable battery pack.
The Mili Pro is a breakthrough in iPhone, iPad and iPod accessory technology. It’s an iPhone, iPad, iPod compatible, rechargeable, pico video projector. The power of a rechargeable battery solution has been coupled with the convenience of a portable video projector and speaker system. Watch all of your movies, video clips, podcasts and more with ease! Now you can carry your own personal movie theater with you, anywhere you travel.
Use Mili Pro you can charge and sync your iPhone, iPad, iPod with the standard mini-USB.
More detail in here.