Multiple colors, stars and waves Create a relaxing atmosphere by projecting a dynamic and realistic combination of colors and effects on the walls or ceiling. You can choose the display mode depending on your mood or environment. - The remote control allows you to turn the unit on or off, control it, adjust the brightness, sound, and timer. Voice control lets you change the display colors in sync with the music or clap your hands for a disco effect. The remote control is powered by 2 AAA batteries (not included). [Built-in speaker: Connect your Bluetooth phone to the nightlight or connect it to the USB port to listen to lullabies, relaxation, and meditation music during the light show. The adjustable volume adapts to your baby's calm and soft sleep. Enjoy the beauty of the starry sky and the joy of relaxation with songs to warm up the atmospheric months. [Adjustable timer and brightness]. - The timer option lets you save energy all night. Adjustable display light: You can choose the brightness level (low, high, or medium) depending on the atmosphere you want to create. [Perfect gift for family and children]. - Perfect for birthdays, family reunions, KTV, dance halls, clubs, bars, baby parties, dance floors. It is an amazing gift for your friends, children, colleagues, family, etc.