The Air Humidifier W301 combines ultrasonic technology for effective humidification and aromatherapy, making it perfect for home, office, or travel use. Built with durable aluminum alloy and ABS materials, it features a sleek, compact design and quiet operation at less than 36db. Its mist output of 25-50ml/h keeps the air fresh and clean, while the ultrasonic sterilization function purifies the environment. Powered by USB or electric sources, it's easy to use anywhere, from cars to homes, with a convenient timing function for automatic control.