Adjustable light effect: Our Aurora Star smart projector can be adjusted through phone apps (Smart Life / Tuya Life). You can adjust the brightness, flow speed, star and aurora and skylight projector color, then combine your tastes to create the best light scene for you Night light and timer function : Aurora Smart Projector night light is built-in 8 white noise. It will help you a lot when you have trouble falling asleep. You can choose one of the white noises and set a timer of 1h/2h/4h (auto off) by the remote control, or at any time (<24h) by the APP Speaker Bluetooth and Music Sync: You can also connect the light projector via Bluetooth and listen to your favorite music. Another amazing function is that the light will flash with the rhythm of the music if you activate the voice command. Surely, it will bring the party to a new climax Four Different Control Modes: You can control the aurora star light projector via the buttons on the machine, the remote control, the app on your phone or Smart Voice. Just say "Alexa, set Music Star Light to 20%", your request will be done soon Perfect Gift Choice: Our Aurora Star Light Galaxy Projector is perfect for different kinds of occasions, such as parties , date night, game rooms, yoga, sleep and more. It is therefore a unique gift for adults and children as a birthday present, anniversary present or festival gift