[Equipped with WiFi and Bluetooth] The M81 WiFi projector can be used without purchasing additional cables or adapters, and can play all content! Say goodbye to long cables and enjoy a more enjoyable experience of projecting your smartphone screen. Don't bother your family or neighbors anymore! The Bluetooth function will allow you to connect headphones. [Full HD 1080P image quality] The original resolution of the MR24 projector is 1920*1080, and the lifespan is 30,000 hours. It's one of the most portable 1080P projectors on the market, lightweight and convenient so you can enjoy the experience anywhere: outdoor vacation with friendsNo computer? Input your PPT directly via USB flash drive. Just insert the USB flash drive, X1 projector can directly read PPT/Excel/Word/PDF files without connecting to computer, which is very convenient in any situation (office or home). [Improved Keystone Correction and Scaling] The MR81 projector uses the latest four-point keystone correction technology, which not only adjusts the image horizontally and vertically by 50, but also adjusts the image from any angle to fit your screen precisely. The zoom function can adjust the screen size from 100% to 50%, which is very convenient for people who want to hang the projector from the ceiling. [Universal Compatibility, Easy Dust Removal] MR81 projector has multiple ports: HDMI/USB port, 1 AV/3.5mm audio port. Therefore, the projector is compatible with PCs, Chromecasts, game consoles, DVD players, etc. There is a removable dust filter on the side of the machine, which is easy to maintain and very easy to maintain