2 in 1 Starlight Projector - The star projector can release breathing green stars and multicolor ocean wave lights. It has 4 colors (R, B, G, W), you can decide to show solid color or mixed color. Joycabin night light projector can show aquatic ocean atmosphere and shining stars for you These two projection effects can work at the same time or work separately. Bluetooth Speaker and Sound Activated - The Galaxy light projector has a built-in Bluetooth music speaker. Not only can be connected via Bluetooth, but also a USB flash drive can be connected via the USB port to play the music you like. The latest sound-activated twinkle mode makes the ocean wave lights change color with the beat of the music Auto-off Timer and Adjustable Brightness - You can set a timer to turn off the star ceiling projector after 1 or 2 hours. It will also automatically turn off after 4 hours if you accidentally fall asleep from the soothing lights and forget to set the timer. This star projector has 3 levels of brightness (30%, 60%, 100%), which can be adjusted freely according to your preference 360° Rotating Nebula Light and Remote Control - The Star Projector rotating sky can offer you static or floating nebula display. It will create thousands of stunning stars and colorful slow moving clouds. This galaxy light projector also comes with a remote control, which can adjust the speed, colors and brightness to create the lighting effects you like. Unique gift for family and friends - The LED night light is the perfect gift for adults and children You can use it in many occasions like home theater, friends meeting, relaxing, night light, romantic dinner and so on. It is suitable for children to create a pleasant and relaxing bedtime. It is also suitable for adults to throw a fun party