[Original 1080P Full HD Projection] VIVIBRIGHT F40 projector is equipped with 4800 lumens, 15000:1 high contrast ratio and 16:9/4/4/4/4 aspect ratio: 3, and supports advanced 4K (3840 x 2160) VGA. The color enhancement technology can improve the contrast between light and dark parts of the picture, present more details, more realistic natural colors, and give you an extraordinary cinematic experience. [Wireless Connection Function] VIVIBRIGHT F40 Projector supports iOS/Android system WiFi connection and can freely play movies/videos/photos/games on the big screen via smart phones or other Miracast-enabled devices . [Built-in HiFi stereo speakers] Built-in two speakers for true stereo, the same type of products has good HIFI-level stereo audio performance, and the sound is more realistic and stereoscopic, which shocks you when you watch movies and you play games. [Support Multimedia Devices] The F40 projector is equipped with a variety of interfaces, such as HDMI, USB, AV, VGA and headphones, which can be transmitted through headphones, laptops, DVD / VCD players, speakers, USB disks, computers, PS3, PS4 etc. Can meet your different needs Projection system: LCD + LED LED highlights: 70W, 25K color temperature Physical resolution: 1920 x 1080 pixels Brightness: up to 4800 lumens LED Image distance / size: 1.5cm ~ 600cm / 50" - 200" Aspect ratio 16:9/4:3 Contrast ratio with dynamic: 15000:1 Display color: 1.07 billion colors Lens: F=180mm / glass coating Focus adjustment: manual Keystone correction: manual / 20 (vertical) Throw ratio: 1.35:1 Resolution support: VGA to 4K (3840 x 2160) HDTV compatibility: 480i, 480P, 576i, 576P, 720P, 1080i, 1080P, 2160P Horizontal frequency: 15K~135KHz Vertical scan rate: 23~120Hz Built-in media player: yes Media viewer: desktop/video/photo/audio Screen mirroring wireless: Airplay and Miracast Main chip: Mstar V56 + Rockchip RK3036 Stereo speaker: sound bar inside (2 x 10 watts) Format s Video: RM / RMVB / AVI / MKV / WMV / MP4 / VOB Audio Formats: MP3 / WMA / AAC Picture Formats: JPEG / BMP / PNG / GIF Source Power: AC 100~240V 50/60Hz Power Consumption : normal: 130W