Using the 5V microporous humidification technology which is low energy consumption and energy saving. The USB charge line has strong generality. The using environment is accurate positioning. To replace the traditionall 220V humidifier, which is easy to match the using environment. Aroma diffuser which is small and exquisite, easy to carry, suitable for multi-scenario (car, office, air conditioning room); Combination of indicator light and switch , blue light represents continuous spray and red light represents intermittent humidification.