General description This mini ultrasonic humidifier features two adjustable mist modes and a colorful night light, making it perfect for creating a relaxing environment at home, in the office, or while traveling. Its compact design and USB power supply allow for easy portability, ensuring you can enjoy its benefits anywhere. Technical specifications Noise level: 26dB Continuous mist mode: turns off after 4 hours Intermittent mist mode: turns off after 6 hours Usage Install springs and cotton filter Add water to the tank Plug in the USB power cord Press the power button to start the humidifier Press the power button for 1 second to activate continuous mist mode Press and hold the power button for 3 seconds to activate the night light mode Press and hold the power button for another 3 seconds to activate the colorful light mode Press the power button for another 1 second to switch to intermittent mist mode Other information Automatically shuts off when water level is low