[Original 1080P Ultra HD] CL770 wifi projector is equipped with 4000 lumens, 2500:1 high contrast and 16:9/4/4/4:3 aspect ratio, which is the smallest market native 1080P projector. The advanced color enhancement technology can improve the contrast between light and dark parts of the picture, presenting more details, more realistic and natural colors, and giving you an extraordinary cinematic experience. [Wireless Connection Function] The CL770 projector supports iOS/Android system WiFi connection and can freely play movies/videos/photos/games on the big screen from smart phones or other Miracast-enabled devices . Built-in bluetooth of CL770 projector can freely connect your bluetooth headphones, bluetooth speakers and airpods at any time. Keystone correction 20 and zoom function [Multimedia device support] The CL770 smart projector is equipped with multiple interfaces, such as HDMI, USB, AV, VGA and headphones, which can be hosted via headphones, laptops, DVD/VCD players, speakers, USB disks, computers, PS3, PS4, etc. Can meet your different needs. Model: CL770 Material: ABS Brightness: 4000 lumens Native resolution: 1920*1080 Resolution support: 1080p Display type: LCD Aspect ratio: 16:9/4:3 Contrast ratio 2500:1 Bidding ratio: 1.4:1 Image size: 55-280 inches Projection distance: 1.8-10m Keystone correction: yes Keystone distortion: 20 20 Autofocus: no Projection: front, rear, center, desktop Interface: hdmi*2, usb*2, vga, av, headphone port Features: 3d, Bluetooth, built-in speaker; Power supply: 100-240v 50/60hz Power consumption: 170w Lamp life: 50,000 hours Lamp power: 130w Noise: db