[Colorful Nightlight Mode] The mini ultrasonic humidifier features a colorful bike light setting to create a peaceful atmosphere while providing a soothing mist. Night lights can improve your sleep quality. [item size] 82*82*122mm [USB portable mini humidifier] USB compact portable humidifier allows you to carry it easily anywhere. USB power is compatible with any USB port on the device, ensuring use in bedrooms, offices and cars. USB ultrasonic humidifier produces near frequency 26 dB of silence (quieter than a bookshelf), ensuring ultra-quiet operation. This humidifier does not disturb you when you sleep and work. It effectively moisturizes dry skin and helps you reduce skin peeling. [One Touch Control] The air humidifier is very easy to use. One button controls all functions, just press the power button every 1 second to control the fog. Press and hold the power button for 3 seconds to turn on night lights and colored lights. [Two Mist Modes & Auto Shut Off] This humidifier has two mist modes: continuous and intermittent. In continuous mode, automatic shutdown after 4 hours. In intermittent mode, it automatically turns off after 6 hours. Close when the water level is low. Therefore, you don't have to worry about the humidifier breaking without water. You can use it at night without worrying about safety.