Using the Kuromi Mood Light is super easy. To change the brightness, just tap the light three times. You can choose the level that suits your mood and the atmosphere of the room. When it comes to charging, use the provided USB - C to USB cable and plug it into a standard USB socket. Remember, this light isn't for kids under 36 months because there are small parts that could be a choking risk. Keep it away from small children to ensure their safety. For maintenance, simply wipe it with a soft, dry cloth. This will help keep the lamp looking great and functioning well. Enjoy the cozy glow it brings to your space!