This mini humidifier is designed for easy portability and can be powered by a USB port, making it convenient to use in various settings. It features a large mist volume for efficient humidification, intelligent design for energy efficiency, and a compact size for easy movement. The humidifier has a water tank capacity of 220ml and can be used for 5-10 hours. It is also super quiet, with a noise level of less than 36dB, and has automatic power failure protection and anti-dry features.