PROJECTOR A small Byintek U4 projector, featuring a fabric-covered design. It runs on Android 9.0 and supports wireless connectivity via Wi-Fi and Bluetooth. It offers a native 720p resolution with support for 4K content playback, and the image size can reach up to 200 inches. It has a fully enclosed optical engine to resist dust and features an auto-focus function for the image. Type: Projector