[Original 1080P Ultra HD] The C50 projector is equipped with 3800 lumens, 2500:1 high contrast and 16:9/4/4:3 aspect ratio. colors can improve the contrast between light and dark parts of the picture, presenting more detail, more realistic and natural colors, and giving you an extraordinary cinematic experience. [Wireless Connection Function] The C50 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 C50 projector can freely connect with your Bluetooth headphones, Bluetooth speakers and airpods at any time. 20keystone correction and zoom function [HiFi Stereo Speakers] HiFi stereo speakers, built-in dual stereo SRS sound effects, make you feel shocked when watching movies and playing games at games. [Multimedia Device Support] The C50 projector is equipped with a variety of interfaces, such as HDMI, USB, AV, VGA and headphones, which can be transmitted through headphones, laptops, DVD players / VCD, speakers, USB disks, computers, PS3, PS4 etc. Can meet your different needs. Model: C50 Material: ABS Brightness: 3800 lumens Native resolution: 1920*1080P Support resolution: 1080p Display type: LCD Aspect ratio: 16:9/4:3 Contrast 2000:1 D ratio Bidding: 1.41:1 Image Size: 50-280 inch Projection Distance: 1.8-10m Key Correction: Yes Keystone Distortion: 20 Projection: Front, Rear, Hanger, Desktop Interface: HD 1, HD 2, USB1, USB2, VGA, AV three in one, 3.5mm audio output Menu languages: English, French, Spanish, German, Italian, Russian, Japanese, Korean, Vietnamese, Chinese, etc.