Auto focus and automatic vertical keystone correction provide clear, aligned images every time without manual adjustments. This portable projector enables quick setup and reliable image geometry in any viewing environment. Vivid 4K support with native 1080P resolution: it can handle 4K content while delivering crisp details and vibrant colors. Brightness is rated at 280 ANSI luminous flux with a 1000:1 contrast ratio, suitable for casual movie viewing. Note: no auxiliary port is available. Seamless connectivity and broad compatibility: supports wireless casting protocols including WiFi and Bluetooth, with Miracast, AirPlay, and DLNA. Easily connects to smartphones, tablets, and computers, and also includes HD multimedia interface, USB, and sound output to work with a wide range of devices. Compact cinematic experience: throw ratio of 1.4:1 allows projecting larger images from shorter distances, making it ideal for compact spaces such as bedrooms and small living rooms. 23 practical use scenarios Home theater in a small room: create a movie or TV show viewing setup in a bedroom or compact living room without sacrificing screen size or image quality. Group entertainment and casual gaming: connect phones, tablets, or laptops wirelessly for shared viewing or multiplayer gaming sessions with friends or family in tight spaces. Portable presentations and classroom use: use wireless casting to display slides or videos in small meeting rooms or classrooms, with easy device compatibility and minimal setup time.