General description 280ml Portable USB Mist Humidifier with 2 mist modes: continuous and intermittent spray, allowing users to choose the appropriate humidification method. Simulates volcanic spray and firewood lighting effects, creating a warm and calming atmosphere. Powerful atomization function quickly increases air humidity, relieving discomfort caused by dryness. Large capacity of 280ml allows for long periods of continuous humidification without frequent water replenishment. Flexible design suitable for various environments such as bedrooms, living rooms, and offices.