Wireless Dual-Band Smart Projector: The smart projector is built-in 5G/2.4G dual-band WiFi.Faster transmission rate and lower transmission delay, easily and quickly connect to smartphones, laptops, etc., within 5 seconds to connect successfully. Bluetooth & Speaker Function：The portable projector is built-in Bluetooth 5.0 chip and speakers, you can pair the projector with headphones, speakers or other audio devices via bluetooth technology, or directly through the projector's speakers to enjoy a cinema-grade audio-visual experience 180° Rotable: The projector base comes with a 180° rotating stand that allows the projector to point in a variety of directions, including from wall to ceiling. HD Projection Display: The movie projector provides 40-130 inch projection screen with an optimal projection distance of 5.51 feet. Supporting 1080P, the automatic horizontal keystone correction function provides you the best screen position. Wide Application: The portable projector has built-in HDMI, USB, 3.5mm headphone ports (please note that you need to buy the HDMI cable by yourself), which is suitable for TV Stick/Box, Game Consoles, PCs, Smartphones, Tablets, Laptops, DVD Players, and USB Sticks, and so on.