This fully enclosed dustproof projector offers enhanced durability compared to traditional open-air models. Supporting ultra-high-definition 4K video decoding, it eliminates video lag concerns to deliver a true visual feast. Equipped with the latest Bluetooth 5.2 technology, it enables wireless connectivity with Bluetooth headphones and speakers. Note: Bluetooth transmits audio only, not video. This 50%-100% zoom Hd movie projector allows you to adjust image size without moving the picture. Equipped with HDMI2/USB2/Av/headphone ports, it seamlessly connects to Chromecast devices, smartphones, tablets, PCs, laptops, gaming consoles, and more, enhancing your home entertainment experience.