[Magic Sleep Music Star Projector] The galaxy projector for children's rooms comes with 8 pre-installed types of white noise: twinkling stars, summer nights, streams, waves, birds, rain, lullabies, and bonfires. This child astronaut projector serves as a soothing tool to help you and your baby fall asleep more easily.[21-Color Star Projector Luminous Lamp] Enhanced to a 4-in-1 version, this star projector features a water ripple projector, Bluetooth speaker, white noise machine, and luminous lamp. The astronaut projector uses a double projection lens, capable of projecting 21 colors of water waves and stars, creating a relaxing atmosphere with soothing music to enjoy the beauty of nature.[Bluetooth Sound Enhances Your Party] Equipped with built-in 5.0 music speakers, the star projector allows you to connect via Bluetooth to enjoy your favorite music. When the sound activation mode is engaged, the light effect will flicker in time with the beat of the music, resulting in a lively and enjoyable party atmosphere.[360° Adjustable Projection Angle] The head and body of the space dog are magnetically connected, making it easy to adjust the projection angle and project light to your preference. The space lamp projector is suitable for various occasions, such as home theater, gatherings with friends, relaxation, nightlight, and dinner parties.[Remote Control and Auto-Off Timer] The star projector includes a remote control that allows you to turn lights on/off, adjust brightness, change lighting modes, speed, music, and volume. It also features an auto-off timer, which can be set to turn off after 1 or 2 hours. If you forget to set the timer, it will automatically shut down after 4 hours, but you can turn it back on if you wish to continue using it.