1.PORTABLE MINI HUMIDIFIERPortable and small design is very easy to take with you anywhere and super perfect for travel,bedroom,office, which is effectively moisturize dry skin and help you reduce skin peeling. The USB Power Supply compatible with any device USB port which ensures it can be used in bedroom, office, car,etc. 2.ONE BUTTON CONTROL Portable USB humidifier, you only need to press a button to set the fog mode and light mode. Press the button for the first time to enter continuous spray mode. Press the button again, it will switch to intermittent spray mode (spray for 5s to stop for 3s). The duration of the spray can last for 4h in continuous mode and 8h in intermittent mode. Long press for 2 seconds to choose the light mode for 8 hours, and long press again to shut down the light mode. 3.ULTRA-QUIET & AUTO SHUT-OFFThe small cool mist humidifier does not generate any noise, so you will not be disturbed when you are sleeping or workingThere is built-in water level sensor inside that will automatically turn off the power when the water is lower than the safe water level.You can use it at night without worrying about safety. 4.SAFE AND IDEAL GIFTsuitable for living room, bedroom, office and other places.It is a very good choice for personal use or as a gift for parents,friends, lovers,couples,elders,teachers ,children and someone important on any occasion like Christmas, Thanksgiving, New Year, birthday party, anniversary, Valentine's Day, Mothers Day, Fathers Day and other festivals come.