Native 4K decoding for crystalclear, immersive viewing with true 4K capability 180° rotatable projection for flexible placement and easy angle adjustment to fit different rooms and setups Auto Keystone Correction automatically maintains a distortion, rectangular image even when the projector is offcenter BT 0 and builtin HiFi speaker enable seamless Bluetooth connections and quality audio without external speakers Use scenarios Home theater in the living room: position the projector for screen size and seating, with automatic keystone correction for a clean image and wireless audio from Bluetooth devices Small classroom or meeting room: connect to laptops or mobile devices via Bluetooth, project presentations or training videos, and use the builtin speaker for clear audio Outdoor or backyard movie night: adjust projection angle easily to suit the wall or screen, enjoy wireless audio from Bluetooth sources without extra gear