CAR ESSENTIAL OIL DIFFUSER: Car diffusers, fit your lavender or other essential oils, aromatherapy diffusers for fragrance spa in car, sweet smell from this car humidifiers can works for stress, anxiety, relaxation and energetic driving time, also co 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 diffuser humidifiers can solve this problems effectively. The humidifiers take new ultrasonic tec RICH MODES EASY OPERATION: One button easy touch control with various work modes, short touch 1st time for continuous mist with 7 colors LED lights in 3 hrs, 2nd time touch for intermittent mist with light in 7 hrs, 3rd time for continuous without li USB POWER AUTO SHUT-OFF: Powered by USB cable(no adapter included) so the diffuser will fit for almost any occasion, USB is a kind of friendly power source because its low voltage can prevent from electric shock. Auto shut off if water was used up 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