[Colorful Cycle Light and Warm White Night Light] This cute humidifier has a colorful bicycle light setting, which brings you a cool light show and at the same time emits a soothing mist. The unique design makes this ultrasonic humidifier a wonderfulhome decoration even in the daytime. The night light can improve your sleep quality. [Portable Mini Humidifier and USB Power Supply] This ultrasonic humidifier adopts a portable and compact design, allowing you to easily carry it anywhere. The USB power supply is compatible with the USB port of any device, ensuring that the USB desktophumidifier can be used in bedrooms, offices, cars, etc. Silent ultrasonic operationUltrasonic humidifier produces almost silent frequency <30dB (quieter than the library), ensuring ultra-quiet operation. When you are asleep, our bedroom humidifier can keep your room's noise level low. [Two spray modes and automatic shutdown] This ultrasonic cold mist humidifier has two spray modes: continuous and intermittent mode. When the amount of water in the water tank is lower than a certain amount, the room humidifier will automatically shutdown to prevent any dry burning, and it is safe to use. [One-key control] The operation of the portable USB humidifier is very simple. One button controls all functions, you only need to press the power button every 1 second to control the mist. Press and hold the power button for 3 seconds to enable the nightlight and color light functions.