Diffuser & Humidifier: Adding several drops of oil into the water, it will fill your space with lovely fragrance. Some special oils can create therapeutic benefits. You can also use it as a humidifier without oils?frees it from dryness and helps to maintain the health of the respiratory tract.
Noiseless: Ultra-quiet when it working, so there is no interference to your sleeping, perfect for put in baby room, living room; Other wise, automatic power-off due to lack of water, which is high security.
USB power and small size: It can be powered with USB port, convinient to connect with your moblie power, computer and other USB port. Specail for your travel.