Portable projector and charger for Iphone4/4S and iPOD touch 4. Big speaker and battery enable 3 hours long operation time. SpecificationProjection ... 3 LED (RGB),More than 20,000h standby, ≤ 2.5 hours operation time.Projection distances: 488mm-2922mmWeight: 105g. ... Movie, Video, online video, pictures from IPHONE4/4S,IPOD TOUCH 4, and also performcharger for these devices.With loudspeaker, enhance the ...