Thanks to an ingenious design, the lamp looks like a dinosaur egg, and the light shoots out from the crack, as if the light of life is blooming, giving a dream: the little dinosaur inside has exploded from its shell! [Starry Sky + Northern Lights] The Aurora Borealis projector projection view offers 14 color combinations (composed of four colors: green, red, blue and white) that not only take support single-color, two-color and three-color Aurora effect, but also can bring the starry sky into the room, giving a scene feeling. [19 Soothing White Noise] This sleep aid plays a sound of high fidelity. There are 19 natural and soothing sounds (birdsong, light rain, thunder, running water, water drops, train, frog, etc.). With the timer, you can set 1 hour or 2 hours, then turn it off automatically. Ideal for adults and children to fall asleep in a relaxing way. [use the remote control] You can easily turn on or off the green stars and aurora lights. For the projectors, you can choose between different colors and speed levels. However, you can also choose a mode that allows the colors to lightly flash alternately. All combinations of star and aurora modes are accessible from the remote! Battery for remote control is not included. [Bluetooth Speaker] Bluetooth connection, easy to use High quality Bluetooth speaker. Listen to music with it and also activate rhythm mode to make the lights dance to the beat of the music. The projector has a USB - C power connector.