1.HUMIDIFIERS FOR CAR HOME OFFICE: This car humidifiers work for you anywhere. In the car cup holder as an car air freshener, powered by car charger. In bedroom as an air humidifiers for clean air and works for dry air problems, powered by cellphone adapter. On office desk as an air purifier for relaxation and energetic working time, powered by computer USB ports.2.HIGH-QUALITY AIR IN CAR: The small space in car will much easier breed harmful particles, dust, lack of oxygen, bad smell and dry skin problems, one CAR HUMIDIFIER can solve this problems effectively. It can release plenty of tiny water-drops, make oxygen anion and balance the air humidity, more oxygen anion will works for better breath. Especially people who drive for a long time need it very much3.RICH MODES EASY OPERATION: One button easy press control with various work modes, short press 1st time for continuous mist model, continuous spray for 4 hrs; 2nd press for intermittent mist model, intermittent spray for 6 hrs; 3th press to turn off. Hold press it to turn on the night light; hold press again to turn off it.4.USB POWER AUTO SHUT-OFF: Powered by USB cable(no adapter included) so the humidifier will fit for almost any occasion, USB is a kind of friendly power source because its low voltage can prevent from electric shock.