Optoma UHL55 ($1599 at Amazon.com) is world’s first portable “pico class” 4K DLP Projector (on TI’s new 0.47″ DLP470TP chip) with 1500lumen brightness from a 30,000 hour RGBB LED light source, four HDR10 picture modes, the most compact 4K projector, yet it includes a powerful speaker for portable all-in-one use. Optoma UHL55 runs Android with a built-in 4K HDR media player with USB media playback, supports Alexa and Google Assistant for voice commands, Stereo audio through two 8-watt speakers with Dolby Digital decoding and Bluetooth audio input and output, Protective sliding lens cover, Auto focus and auto keystone for easy place and play without needing to calibrate it before each use.