DINGANG Mini USB Air Mist Ultrasonic Humidifier for Bedrooms, Living Rooms,Car,Home and Office Ultrasonic Friut Shape Humidifier, Very calm and quite personal humidifier, Perfect cool mist bedroom humidifier A high quality filter will keep the humidifier clean & give you a soft and healthy mist. The humidifier filter will also eliminate the bad smell of the water, to reduce dust in the air and smoke pollution and improve air quality.Run's the whole night without needing to refill. Increases air moisture for easier breathing and a good night's sleep. fog particles can eliminate static electricity, reducing the computer screen radiation damage to the eyes. ncreases air moisture for easier breathing and relieve of cough, cold, and flu symptoms, including nasal congestion, dry cough, sinus irritation, nose bleeds as well as dry skin