Bluetooth 3D Aurora Star Projector: A 3-in-1 night light featuring 3D blue light effects for a captivating visual experience. The dynamic 3D aurora patterns create an engaging atmosphere, while the stars and clouds project beautifully onto walls or ceilings. Customize the light effect, speed, brightness, and ambiance to suit your preferences and enhance the mood of your room. Large projection area: The LED starry sky light can illuminate spaces from 15 to 50 sqm. Tilt the projector up to 45 degrees to spread the nebula effect across the entire room. The gentle moon and nebula light transitions help create a calming environment ideal for childrens sleep. Equipped with sound control sensor and timer functions. The projector offers multiple lighting modes including color cycling, monochrome gradient, dual-color gradient, monochrome pulse, and dual-color pulse. The blue aurora effect features irregular color changes, providing a variety of color options to match your mood. Adjust the 3D cloud and aurora borealis motion speed; default startup speed is 50% and can be controlled remotely. Adjustable brightness levels: LED brightness can be set at 15%, 40%, 70%, or 100%. The projector includes a breathing mode where the stars gradually brighten and dim, mimicking natural breathing rhythm. The night light includes a 4-hour auto shut-off timer, making it ideal for childrens rooms. Note: When voice control mode is active, pressing any button on the remote will return the device to remote control mode. Perfect Gift: Includes 1 star projector, 1 USB cable, 1 remote control (batteries not included), and 1 instruction manual. This starry sky projector adds a romantic touch to any space. Ideal as a decorative light, mood lamp, baby night light, or bedside lamp.