1. Pure and fresh, refreshing, in addition to static electricity, the fog potent moist, fresh air all the way along. 2. The colorful night light function, downy lamplight, comfortable feeling. 3. USB power supply, connected to the car charger socket can be used as car humidifier. 4. Touch switch, prevent dry heating, automatic power-off protection. 5. High quality, wear-resisting resistance to fall off.