Silent Operation: Designed to operate quietly, ensuring your sleep or relaxation is undisturbed by noise. USB Rechargeable: Conveniently recharge your humidifier using a USB connection, making it easy to power up wherever you are. Soft Night Light: Features a gentle light to enhance your sleeping environment, perfect for creating a calming atmosphere in your bedroom. Large Capacity & Long-Lasting: Enjoy a refreshing mist with the 2.5L water tank that offers prolonged operation, ideal for use throughout the night. Portable & Wireless: The wireless design makes it easy to place anywhere in your home without the concern of finding a nearby outlet.