USB multifunctional humidifier: turn water or essential oil into an ultra-fine mist to make the air fresh and clean. Humidifier: occasions: for office, home, hotel, car, school. Humidifiers for home: it can remove unfavorable odors and smells, increase humidity of air and moisturize your skin at the same time. House humidifier: warm tip: dear buyer, due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! thank you! Mini humidifier: a healthy lifestyle gadget, it is great for your car, home, office, etc.