About DBPOWER Video Projector, 120 ANSI 3400L 1080P Full HD LED Movie Projector, 50,000 Hours Lamp Life Home Theater Video Projector Compatible with HDMI/AV/USB/SD/VGA/TV/Laptop/Game
Dolby sound is not supported. If there's no sound, please turn off the sound in your device. For a better viewing effect, use it in the darkest possible environment. Not recommended for Word, PPT, Excel, or business presentations. An HDMI adapter (not included) is needed to connect the projector with smartphones and tablets. The simplest way is to stream or mirror via a Chromecast or similar device. If your phone or tablet has a micro or mini (Type-C) HDMI port then you can use your home theater projector's lamp should last over 32 years (4 hours a day, or less) so there is no need to replace it the lamp.