Color Night Light ModeThis air humidifier features a vivid color cycle light setting, creating a tranquil environment while providing a relaxing mist. It uses Nano Spray Technology to ensure a fine mist and provide maximum relaxation. Night lights can improve the quality of your sleep. USB Portable Mini HumidifierSmall and portable design, easy to carry around. The USB power bank is compatible with any USB port on your device, ensuring it can be used in the bedroom, office or car. Ultra QuietThe ultrasonic humidifier produces a near-silent 26dB frequency, ensuring ultra-quiet and quiet operation. This humidifier won't disturb you while you sleep and work. It effectively moisturizes dry skin and helps you reduce skin peeling. One button controlPortable USB humidifier is very easy to use. One button to control all functions, just press the power button every 1 second to control the mist. Press and hold the power button for 3 seconds to activate the night light and colorful light functions. Two fog modes and auto-offThis humidifier has two fog modes: continuous mode and intermittent mode. In continuous mode, it will automatically turn off after 4 hours. In intermittent mode, it will automatically turn off after 6 hours. Turns off when the water level is low. We offer a 90-day money-back guarantee and a 1-year warranty. If you have any questions, please feel free to contact us, we promise to give you a satisfactory solution