【Ultrasonic Silent Operation】The humidifier’s quiet atmosphere below 36 decibels can create a comfortable sleeping environment. The humidifier provides you with fresh and clean air to moisturize dry skin and improve dry and peeling skin. It is very suitable for use in various scenarios such as bedroom, living room, office, car, etc. 【Two spray modes and light modes】Click once: humidifier starts, single spray; Click twice: continuous spray mode (automatic shutdown after 2 hours); Click three times: intermittent spray mode (automatic shutdown after 8 hours); Four clicks: Shut down; Double click once: turn on the ambient light; Double-click twice: turn off the ambient light. The operation is very simple and you can easily choose according to your needs. 【280ml Large Capacity Spray】The humidifier has a water tank capacity of 280ml and a working time of up to 10-16 hours. Uses a large capacity of 280ml and fine spray to increase air humidity. And improve the air quality in your bedroom, living room, office or any other room. (Tip: If the humidifier cannot spray when you use it for the first time, please fill it with water and turn it upside down after 5 minutes to allow the humidifier to absorb enough water faster or soak the cotton.) 【USB Powered/Automatic Shut-Off Without Water】The cool mist humidifier is powered by a USB adapter (not battery powered, USB cable included, USB adapter not included). The humidifier will intelligently and automatically shut down when the water level is low, providing dry burn protection to prevent product damage. 【Easy to Clean】The humidifier allows you to monitor real-time water lines for adding water and cleaning the water tank. The inner diameter reaches 8cm, and the wide mouth allows you to put your hands into the water tank. There are no dead corners in the water tank, making it easy and thorough to clean.