USB Power Supply Convenience: This versatile mini humidifier can easily connect to your laptop at work or a portable power bank, giving you the flexibility to use it wherever you go. Enjoy its ultra-quiet operation that allows for distraction-free focus or relaxation Compact and Stylish Design: The mini humidifier making it the perfect addition to your or bedroom. Its charming landscape design, adds a fun aesthetic to any small space while providing essential moisture Safety and Durability : Designed with an automatic 4-hour shut-off function, this mini humidifier prioritizes your safety while promising . Constructed from high-quality plastic, it ensures reliable performance, making it a thoughtful gift for Christmas or birthdays Easy One-Button Control: Operating this mini humidifier is simple with its one-button control feature. Just press the power button to adjust mist output effortlessly, and long-press for 3 seconds to activate the delightful night light and colorful lighting options PLEASE NOTE: To optimal performance, avoid using essential oils, perfume, distilled water, or filtered water, as they may cause the cotton swab to clog and render the humidifier unusable. Also, remember to soak the cotton core for 1-2 minutes before turning on the humidifier