[Support 1920x1080dpi 4K Ultra HD] The BYINTEK U50 Pro wifi projector is equipped with 500 ANSI lumens, 15000:1 high contrast and 16:9/4:3 aspect ratio, native Projector 1920x1080 dpi. 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 & Bluetooth 5.0 Function] The U50 Pro WiFi Projector supports iOS/Android system WiFi connection and can freely play movies/videos/photos/games on the big screen from smart phones or others compatible devices. The built-in Bluetooth 4.0 chip of the U50 Pro projector can freely connect your Bluetooth headsets, Bluetooth speakers and airpods at any time. [Support HDR 10 decoding and remote electric focus function] Support HDR 10 decoding, better details, better colors, keystone correction can not only adjust the vertical and horizontal directions, but also adjust the four points of the image separately, which is more convenient. By using the zoom function, you can reduce the image size from 100% to 50% without moving the projector. [The real 3D shock of BlueRay 3D] BYINTEK U50 Pro projector can be adapted to 3D movies, you can experience cinema-like 3D movies at home, and the screen projection is more realistic [Compatibility of all devices smart] Turn your mobile phone into a remote control, with built-in Wi-Fi, Bluetooth, screen mirroring, for phones, laptops, tablets, media streaming devices, Blu discs -ray, game consoles, etc. HDMI and USB, discover the ultimate all-inclusive multimedia experience. Note: The remote control can only turn off the projector. Android operating system WiFi: 2.4G and 5G dual-band WiFi Bluetooth: Bluetooth 4.2 CPU: MStar6A648 decodes 4K H.265/VP9 4K*2K/60HZ Clock speed: 64-bit CPU: dual GPU Contex A53 Core: Mali-450mp4 Memory: 2G DDR3 RAM, 32GB eMMC ROM Wireless Screen Pressure: Wifi/Airplay Playback (via happycast app) Optical Specifications Lightweight Engine: TI 0.23 inch WVGA DMD Light source: OSRAM RGB 3LED Lamp life: 50000 hours Brightness: 500 ANSI lumens Contrast ratio: 15000:1 Resolution: 1920*1080 (Full HD) Aspect ratio: 16:9 /16:10/4:3 Over-the-counter transactions: 100% Throw ratio: 1.2:1 Project size: 30-300 inches Engineering distance: 1-8m Focus mode point: motor focus Zoom: electric remote control zoom interface HD 2.0*1; USB 2.0*1, USB 3.0*1 (read data from USB SSD hard disk, support mouse and keyboard control) 3.5mm headphone jack (audio output) DC input 19V/3.42A Other specifications Speaker: 4, 3W*2, stereo output Projection mode: front / rear / in front of the ceiling / behind the ceiling Keystone correction: automatic / manual, the vertical direction is mnmn40deg Power consumption: 50W