1. 1080P resolution: This projector supports 1080P high-definition resolution, which can present clear and delicate projection images and provide a better visual experience. 2. WiFi and USB synchronization: You can connect your smartphone to the projector via WiFi or USB cable and achieve simultaneous screen projection. This means you can cast content from your phone (such as videos, photos, games, etc.) to the big screen wirelessly or wired. 3. Home entertainment: This projector is ideal for entertainment use at home. You can pair it with a home theater system and connect it to speakers and other devices to enjoy an immersive home theater experience. 4. Portable design: The projector is compact and easy to carry, suitable for outdoor activities or moving between different rooms. You can easily put it into your backpack or suitcase and project anywhere and anytime. To sum up, this mini movie projector has the function of supporting 1080P resolution and synchronizing the smartphone screen via WiFi/USB cable, making it suitable for home entertainment. You can cast the content on your mobile phone to the big screen for viewing, bringing more fun and convenience to your home entertainment.