Pacoco Car Air Condition USB Humidifier Ultrasonic Mini Negative Ion Air Provides relief to cold and flu symptoms, and adds moisture to air in the immediate area Three functions: humidification, aroma diffusion and air purification Small size and it is portable;Remove unfavorable odors & food smells The environmentally-friendly USB Portable Humidifier reuses bottles and has a low power output A healthy lifestyle gadget, it is great for your home, office and car