Smartphone Projector. Brand new, unopened. ◆Color: Black ◆Body size: Approximately 17x17.7x11cm ◆Compatible size: ~5.5 inches ◆Focus adjustment dial ◆Charging cord hole 【How to use】 ① Open the back cover of this product and remove the protective film from the mirror. ② Place your smartphone inside this product, maximize the screen brightness, and play any video. ③ Close the cover, point the lens on the front of this product towards the wall you want to project onto, and adjust the focus with the dial on the top of the lens. We recommend a smooth, white wall for projection. Perception may vary from person to person. It is also affected by the brightness of the room. #SmartphoneProjector #SmartphoneProjector #Projector