Support 4K, automatic horizontal keystone correction and 15000 lumensThis smart projector has high-resolution 1920*1080P Full HD native and 4K support, 300 ANSI 15000 lumens brightness and 10000:1 contrast ratio. You must manually scroll to adjust the clarity before turning on the projector. Provides clear and sharp images, automatic keystone correction does not distort the image, corrects the image up and down, and can be adjusted in the settings if you need to adjust the side projection. Automatic zoom can be easily set to watch videos Built-in dual-band WiFi 6 and 180 adjustable portable projectorNo fixed installation is required, the projection angle can be flexibly adjusted, and a more immersive viewing experience is provided on a 150-inch giant screen. Not restricted by the environment, it can be projected onto the ceiling. Convenient. Built-in dual-band 5G Wifi 6, experience lower latency and higher response speed, so that you feel like you are in a movie theater, fully immersed in movies or other entertainment content. Great for video conferencing and games, watching movies, yoga. Easy to use: The projector mirror must be connected to the same wifi. Open TV Casting first; iPhone: Pull down the control center - open wireless screen casting - iPhone recognizes the projector - click to connect Android: Download the TV Casting APP, open the TV Casting projector to recognize the projector - click to connect; Built-in HIFI sound effect: Bluetooth speakers can only be connected to projectors. To improve the sound quality, you can use Bluetooth wireless and wired speakers, Bluetooth headphones, etc. BT 5.0 and built-in speakersAlthough the projector has built-in speakers, you can also connect the projector via Bluetooth (wired speakers, headphones or sound bars, etc.) to improve audio quality and create a more immersive viewing experience. External (wired, wireless, speaker) Bluetooth can only be connected to the projector to make sound. Multi-function remote controlThe mini portable projector is easy to carry. Easily carry it with you and project anytime, anywhere. The best position of the remote control is to point the infrared device remote control to the back and lens. Remote controls in other positions are invalid. Netflix mobile version needs to switch to mouse remote control mode to use. You can also use a usb mouse to connect the projector.