... etc.2W built-in speaker, can enjoy music without projection The battery could be replaced and chargedShow videos, pictures, ... 1A(Max.) Projection Screen Size 5-70inches Resolution 640×480 pixels(VGA) Contrast 100:1 Brightness 10Lumens Projection System LCOS RGB LED ... Lifetime 20000 hours Projection Source iPhone,iPod,MP4,DVD,STB and ...