PORTABLE MINI HUMIDIFIERPortable and small design is very easy take with you anywhere and super perfect for travelbedroom, office, which is effectively moisturize dry skin and help you reduce skin peeling.^ TWO MIST MODESThis mini humidifier has two modes. When you press the button first time, it will continuously spray for 5 hours. When you press again and it will intermittently spray (stop 2 seconds) for 8 hours. Selecting the mist output conveniently for full control of the air you breathe.^ Top Fill & Easy ControlThis portable usb humidifier is top fill and easy to operate. One button controls for all functions, you simply need to press one button to set the mist and night light. Make your life so easy!^ SAFE & AUTO SHUT-OFFThere is built-in water level sensor inside that will automatically turn off the power when the water is lower than the safe water level. The Leakproof nano design keep you away from pouring liquid in accidence, NO NEED TO WORRY about your night table / phone / laptop anymore.^ KIND REMINDER There are 2 replacement cotton swabs included in the package for free.Do not use distilled water, essential oil, otherwise there might be droplets at the outlet. Please make sure the cotton core has soaked a few minutes before you turning it on.