Outdoor for camping, Support power bank supply power Take cinema anywhere you go. Can connect with external headphones or stereo. Wire Screen Mirroring: Use smartphone data cable to connect with projector to realizescreen mirroring function ( Support for ios & Android system . No need extra cable ) optical calibrationprofessional matching optical lens. the image four corners is clearly visiblewhich solves the problem of traditional virtual focus. Material: plastic colour: White Package Contents: 1 x Projector 1 x USB Cable 1 x Remote Controller 1 x English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.