A mini projector is a compact device that allows users to project images and videos onto a screen or wall. These projectors are portable and often lightweight, making them ideal for home entertainment, presentations, or outdoor movie nights. They typically connect to various devices like smartphones, laptops, or tablets via HDMI or wireless connections. Mini projectors use LED or LCD technology to display content, providing a range of brightness and resolution options. Many models come with built-in speakers and battery life, enhancing their usability in different settings. They are popular for their convenience and ability to create a large viewing experience in small spaces.