Power supply method: Charging type (portable), plug-in use (no power cut) Battery capacity: 1200 milliampere for the eight-tone box model, 1800 milliampere for the Bluetooth model Number of slides: 21 Light source color temperature: Yellow, White, Blue, Dual-color, Tri-color, Gradient mixing Cute design, childlike charm: This projector presents a cute robot shape, with a black and white body color and yellow decorative details. The round lines and big "eyes" instantly capture children's affection. It is not only a projection device, but also an interesting companion in a child's room, adding a touch of liveliness and fun to the children's space. Rich projection, dreamy light: Equipped with 21 exquisite slides, covering various themes such as fairy tales, ocean, and dinosaurs, it can project colorful and splendid images, creating a unique dream world for children. Whether it is used to create a cozy bedtime atmosphere or as a background during play, it can bring an immersive experience and stimulate children's imagination and creativity. Various light sources, adjustable at will: It has 6 light source modes, meeting different scene and emotional needs. There are modes such as yellow light, white light, blue light, dual-color, tri-color, and gradient mixing. Enjoy the changing light and shadow effects, keeping the room fresh all the time. Music companionship, soothing the soul: The eight-tone box model comes with 20 pure music pieces, combining gentle melodies with the dreamy projection, providing children with a dual audio-visual enjoyment. Playing soothing music before bedtime can help children relax and fall asleep faster, making it a good helper for children to sleep peacefully. Convenient operation, flexible use: The bottom sliding wheel design allows for effortless sliding by simply pushing, enabling children to operate and play independently, increasing the fun of interaction. The Bluetooth model supports connection with external devices, expanding the usage functions. At the same time, its small size makes it easy to move and store, allowing children to use it anytime and anywhere in different places, such as in the room or living room, to record their precious childhood memories.