Key features include:
Projection: Projects vivid starry sky scenes, sometimes with interchangeable film discs for varied visuals.
Lighting: Offers different color choices and brightness levels, some models include a rotating color mode.
Music Playback: Some models have built-in speakers and Bluetooth connectivity for playing music.
Timer Function: Many projectors have a timer setting for automatic shut-off.
Connectivity: Powered by USB, it can be connected to various devices.
Adjustable Angle: Some designs, like astronaut-shaped projectors, have adjustable heads for changing the projection angle.