- Portable donut shaped humidifier with a compact mini design that is easy to carry at home, in the office, or on the go, providing a fresh and comfortable environment anytime. - Water cut off protection: built in sensor automatically powers off when water is too low, preventing dry running and enhancing safety and reliability. - Effective moisturization: produces fine, smooth mist to humidify the air, alleviate dryness, and improve overall air quality in your space. - USB powered and versatile: runs on USB so you can connect it to a laptop, power bank, or any USB port. Energy efficient and convenient for use wherever you need. - Use scenarios: - On your desk at work to counteract dry indoor air during long days. - At home on a nightstand or in a living room to maintain comfortable humidity while relaxing or sleeping. - While traveling or in hotel rooms, powered by a laptop or power bank for portable relief in small spaces.