Nebelr Humidifiers are designed in Japan by Kyoto Machines. With over 10 years of experience and Ultrasonic Technology and Japanese design, Nebelr makes it your ideal personal humidifier and air purifier. Mini Ultrasonic Cool Mist Air Nebelr Humidifier with ultrasonic technology is designed for bedrooms, baby nurseries, desk, office and cars, which produces less than 35dB noise. It helps to increase humidity, purify the air, prevent bacterial, improve your sleep quality and protect your health and improve surroundings. The inside filter is made from anti-bacteria material to retard the growth of bacteria, which further filtrate the added purified water to make sure the mist output is beneficial for health. It's the easiest way to maintain a fresh, moisture and odor free environment in your Home, car, or office. It's a perfect gift to anyone! USB Nebelr Humidifier powered via USB port by computers, cars, power banks and so on. The body is made of abs material. It has one button control.