【10 Kinds of Conversion Modes & Built-in Speaker / Multiple Music Playback Modes】The planetarium is equipped with red, green, blue, and white lamps, which can be adjusted and combined according to your preference. Meanwhile, it can be used as a music player with its built-in speaker. Also, you can turn on the music mode during music playback, making the lights dance to the rhythm, creating a high-party time. The star projector light supports various music playback modes, allowing you to play music from your smartphone or other devices via Bluetooth connection, or by inserting a USB memory stick or card reader. Furthermore, you can switch music playback modes with a single button on the main unit, so you can enjoy your music journey without being tied to a device. 【Widely Used】This star projector light is great as a bedside lamp, a sleep aid toy, a starry sky light, a night light, a galaxy light, a planetarium for home use, a projection light, a party light, a mood light, a background light for live streaming, and a room interior light. It's also perfect as a decorative light for children's sleepovers, parties, drinking parties, family karaoke, school festivals, and more. It's an ideal birthday, Christmas, decoration, baby shower/Children's Day/entrance/graduation/Valentine's gift for children, girlfriends, family, friends, and colleagues. 【With Remote Control & Auto-Off Timer】The star light projector for the bedroom comes with a remote control, allowing you to turn the waves and lights on/off, adjust the brightness in 3 levels, change lighting modes, speed, sound easy mode, and adjust the volume (the remote control should be aimed at the infrared receiving area). The galaxy light projector for the bedroom has an auto-off timer, which can be set to turn off in 1 or 2 hours. You don't have to worry about leaving it on when you're sleepy. The remote control requires 2 AAA batteries, which are sold separately. 【Excellent Materials】Made of excellent ABS + PC materials, this moon projector night light has the highest impact resistance among plastics, is resistant to impact and oxidation, and guarantees long-term use. It is also harmless, odorless, environmentally friendly, and ensures a safe and environmentally conscious bedtime. You may notice a plastic-like smell when you open the package, but please be aware that the smell will disappear after a certain period of time.