Main Scope of Application: This projector night light is the perfect gift for adults and children. You can use it for birthdays, parties, weddings, and room decorations. It creates a wonderful and starry atmosphere that helps stimulate children's curiosity, imagination, and creativity. It can also be used as a romantic night light and interior decoration light, showcasing the ocean world and beautiful starry sky, creating a relaxed, romantic, and colorful projection atmosphere, bringing comfort to your home.Built-in Bluetooth speaker: The night light projector is used in conjunction with a smartphone through Bluetooth. You can play music by connecting to Bluetooth. It can help your party become more interesting. The lights flicker and change patterns with the rhythm of the music, resulting in an LED ceiling light in the bedroom.Remote control and USB charging: The starry night light with intelligent remote control can freely control the switch of waves and starlight, adjust 4 brightness levels, change lighting mode, speed, music mode, and volume to meet your needs. Free your hands and let your eyes enjoy the sky projector floating in the room. A practical USB data cable is suitable for various applications.Automatic shutdown timer option: The night light projector is equipped with an automatic shutdown timer. You can set the automatic shutdown time to 1 hour, 3 hours, or 5 hours as needed.