Product description: Quantity: one set Product name: dinosaur eggs. Product model: K850 Power supply method: USB power supply. Input voltage: 5V-2A. Available styles: crackle (white crackle black)/white Maximum current: 2A Control method: buttons, remote control, voice control. Maximum power: 10w Sound control: the light changes to the rhythm after picking up the sound Maximum voltage: 5 V DC Music mode: Bluetooth, eight built-in sound effects Safety level: class 2 Shell material: ABS + PC. Speaker settings: 4Q 3W*1 Product size: 13.8*11 cm Single net weight: 0.45 kg Color box size: 15.5*15*12 cm Motor parameters: 3V 1-4/Min Thanks to ingenious design, the lamp looks like a dinosaur egg, and the light bursts out from the crack, as if the light of life is blooming, giving A dream: the little dinosaur inside exploded out of its shell! red, blue and white) which not only support monochrome, 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 high fidelity sound. There are 19 natural and soothing sounds (bird songs, light rain, thunder, running water, water drops, train, frog, etc.). With the timer, you can set 1 hour or 2 hours and 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 the green stars and aurora lights on or off. For Aurora projectors, you can choose between different colors and speed levels. However, you can also choose a mode that allows the colors to flicker slightly alternately. All combinations of star and aurora modes are accessible from the remote control! Battery (2 AAA) 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 the rhythm mode so that the lights dance to the rhythm of the music. The projector has a USB - C power connector.