Easy control: onebutton operation with adjustable projection brightness and rotation speed, so you can set the lighting to suit any moment. Unique atmosphere: creates a distinctive air that adds romance and style to bedrooms, living rooms, or any relaxing space. Realistic star projection: designed for live streaming backgrounds and home photography, delivering believable star effects that enhance oncamera scenes. USB powered: convenient to use with any USB interface; no extra power cord needed, allowing flexible placement with laptops, power banks, or USB adapters. Use scenarios: Bedroom calm and romance: set the right brightness and motion to create a soothing, intimate ambiance. Live streams and home photography: use as a starry backdrop to improve scene depth and visual interest. Living room or kid's room ambiance: provide gentle, starry lighting for movie nights or bedtime routines. Compatibility and performance notes: USB powered operation ensures easy hookup to common power sources; adjustable brightness and rotation speed let you tailor the projection for different environments and camera setups.