High-fidelity sound quality, clear and pleasing to the ear, better quality and comfort. In the limited volume space, through precise structural design, sufficient resonance space is reserved, and the sound quality is stronger.    Rich interfaces and easy connection In addition to wireless projection/smart devices on the same screen, you can also read documents, videos, etc. through a USB flash drive.    Cinema-level 4K film source playback, 720P high-definition large screen, better picture quality.    High-brightness, extremely colorful, greatly improved uniformity to restore the real image.    Small size, easy to carry, can be used anywhere.    Type:Projector    Projection technology:3.5inch LCD    Brightness:120ANSI lumens    Resolution:1036*600P    Chip:RK3128    WiFi module:8723DS    B T:4.2    Power Suplly:2 AAA batteries(without battery)    Voltage:AC110V/AC100-240V    Plug Type:US Plug,it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on./EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.    Colour:White    Material:ABS        Package Contents:    1 * Projector    1 * Remote Control (Battery Not Included)    1 * Power Cord