Work with Smart App and AlexaThe 2021 Newest Upgraded 3 in1 night light projector for bedroom: Galaxy Projector and White Noise Machine and Bluetooth Speaker. It is not only controlled by the remote control, but also the Smart APP and Alexa or Google Assistant under the 2.4GHZ WiFi mode. Authorize Alexa, connect the star projector, say "Alexa, turn on Music Star Light", free your hands and enjoy the fantasy colors of the universe and marvelous aurora! Multiple Colors Aurora ProjectorThis is an indoor galaxy with amazing 16 million colors combination light effects! Through the Smart Life APP, you can select the color change mode (static and dynamic), adjust speed or brightness, set scene(48 kinds of scenario mode), create different starry projection atmosphere. This star projector suitable for kids bedroom, help to stimulate children's curiosity, imagination and creativity. Bluetooth Hifi Stereo SpeakerBuilt-in the latest upgraded bluetooth chip. It only takes a few seconds to pair it with your mobile phone, to play the music you like without delay. Under unique voice control mode, the light will dance following music rhythm, and add fun for a party or Birthday or DJ Bar or Xmas or Wedding or Show. 8 White Noise for Asleep andamp Auto-Off TimerBuilt-in 8 types of white noise: Ocean Wave or White Noise or Summer Night or Thunder or Brook or Baby Lullaby01 or 02 or 03. While the night light projector plays music, it projects a flowing aurora to create a relaxed and restful atmosphere and help your child fall asleep calmly. Sleep timer can be set to 1H or 2H or 4H. No need to worry about forgetting to turn off the night light projector . (Note: Default automatically turned off after 4H.)