Hydrate with ultrasonic technology The u Mist Babyâs ultrasonic sound wave energy breaks up water into extremely fine mist that protects you from the dehydrating effects of the air-conditioned environment. With better air quality all day, preserve your bodyâs (skin, nose, throat & nasal passages) hydration level for better well-being. Designed with you in mind Compact & user-friendly, the soft glow of the night light feature gives you easy access to better air quality at all times. Aromatic mist Enhance your revitalising environment by adding your favorite scent to the humidifier for fragrant, moisturising air.