【A Perfect Night Light】: With the 7-color LED light function, it can be used in different environments, so you don’t have to worry about your baby’s sleep quality in the dark. It can also be used as a desktop decoration to create a warm atmosphere. 【One-button control】: The portable USB humidifier is very easy to use. One button controls all functions. All you need to do is press the on/off button for 1 second to control the mist. Press and hold the power button for 3 seconds to activate night light and color light functions. 【Ultrasonic Quiet】: The humidifier operates very quietly at less than 20dB. You will never be disturbed by bubbles and engine noises. You can enjoy peace and quiet while sleeping, working or driving. 【Two Spray Modes & Auto Off】: This humidifier has two mist modes: continuous mode and intermittent mode. In continuous mode, it automatically turns off after 4 hours. In intermittent mode, it automatically turns off after 6 hours. So you don’t have to worry about the