Mosunx(TM)New Portable Mini USB LED Luminous Humidifier Office Air Purifier Aroma Diffuser (Pink) Voltage DC 5V;Powered by USB;USB cable length:1.3m A healthy lifestyle gadget, it is great for your home, office and car. Provides relief to cold and flu symptoms, and adds moisture to air in the immediate area. Three functions: humidification, aroma diffusion and air purification The environmentally-friendly USB Portable Humidifier reuses bottles and has a low power output.