The smart version of the starry sky light projector can work with Alexa and Google Assistant.This 4-color (red, blue, green and white) projector supports solid color, two-color lighting effects.The room immediately becomes a night sky full of stars, which can turn the bedroom into a very comfortable and quiet starry sky. The wonderful and dreamy scenes can create a very romantic environment for you. | Smart Galaxy projector has built-in high-sensitivity Bluetooth stereo speakers, you can enjoy music through Bluetooth connection or insert a USB flash drive into the projector. Enjoy the beauty of the starry sky while enjoying the relaxation and cozy atmosphere. | With 4 levels of brightness adjustment, you can set the galaxy projector for bedroom to meet different brightness needs. What's more, the nebulae can be set with flow effect and it even supports adjusting the flow speed, making your night more customized. The stars with breathing effect soothe you to sleep soundly at every dark night. | Built-in 1H, 2H automatic power off timer, it will automatically power off within 4 hours by default. Using the remote control, you can switch all functions, including light mode, music, volume and brightness, and set timers. You can also set automatic opening/closing on the mobile APP，so you can sleep at ease without worrying. | Smart Galaxy projector is very suitable for Valentine's Day, birthday, party, wedding, room decoration, children's day, Christmas, anniversary gifts, etc. You can also authorize Alexa to add a music star projector, use sound to control the star projector, release your hands, and enjoy the fantasy color of the universe!