Built-in 1200mAh battery After fully charged, it can work for 5-10 hours without adding water frequently. Portable DesignYou can use the small handle to move the humidifier to the space you want to place for wireless use, and the usage scenarios are more diverse and convenient. Ambient Warm LightLong press the button for 2-3 seconds to turn on the dim light, only suitable for very dark environments. When you don't want the room to be very dark at night, you can turn it on and it will provide a little warm light. [Exquisite craftsmanship] CE certified ABS material, matte and polished surface, electroplated gold ring technology, and there are cute little yellow ducks and kittens in the space capsule. Great character and quality. Note: 1. Wet the built-in sponge bar when using it for the first time. 2. Do not use mineral water.