work continually as long as there is water, and it stops working if water runs out, so you can float it on water with specific container to meet different needs. A wonderful item for home and office use. Feature - Premium ABS material, safe and non-toxic, druable to use. - Easy operation. USB interface, plug and play, just floats the humidifier on water to make fresh air mist. You can put it in different water containers or add water according to your needs. - Aroma diffuser. Drop aroma essential oil into the water to produce fragrance, relaxing your nerves with the aromatherapy to keep you a good sleeping over the night. - Air humidifier purifier. water for skin to keep skin healthy and moist, to neutralizes static reduce infection of skin. Make a clean and humid condition for your work place or bedroom. - Advanced Ultrasonic Technology. Works quietly without annoying noise. - LED light function, the diffuser can also act as a warm light nightlight when working, beautiful and attractive. - Mini compact size, without watertank, easy to clean, carry anywhere with you. - Wide application in beauty salon, SPA, Yoga, bedroom, living room, kitchen, dining room, conference room, office, reception center etc. Specification - Color: Pink - Material: ABS - Size: Approx. 5.1 X 5.1 X 2 cm/ 2 X 2 X 0.78 inch (LxWxH) - Net Weight: approx. 0.035kg - Input Voltage: DC 5V - Work Current: 500mA - Water Tank: No (Floats on water to give off mist) - Noise level: le;36db