... projector and charger for Iphone4/4S and iPOD touch 4. Big speaker and battery enable 3 hours long operation time. SpecificationProjection System ... extra energy for Iphone4Image Size: 510MM(20 inch)@974MMLight source: 3 LED (RGB),More than 20,000h standby, ≤ 2.5 ... MTV, Movie, Video, online video, pictures from IPHONE4/4S,IPOD TOUCH 4, and also performcharger for these devices.With loudspeaker ...