We would like to introduce H2O Air Humidifier and Mini USB Aroma Diffuser. It has a 300ml hydration tank and a colorful night light. There are two spray modes, press once for continuous spray and press twice for interval spray. This humidifier is powered by 5V 1A micro USB and is compatible with any device with a USB port, including laptops, desktops, power banks and outlets. It also has an auto..