Unique donut-shaped design – combines cute décor with a functional mini humidifier. USB-powered – works with power banks, computers, or any USB port for ultimate portability. Floating, mini size – sits on water while humidifying your space. Adds moisture to the air – helps relieve dry skin, chapped lips, and dry sinuses. Easy to use – simply plug in, add water, and let it work. Essential oil compatible – enjoy a pleasant scent and relaxing atmosphere. Portable and versatile – perfect for gym, yoga, travel, office, SPA, bedroom, or baby room.