Water washing Air fresher for car 1.Novelty and ... silent operation,5. Advanced humidity technology for better humidity6. Idea for home, personal room, beauty salon, ... aromatherapy salon, office, coffee house.7. Five in one function: Aroma Diffuser, Mini Humidifier, Air ... Purifier, Small Night Light, Sterilize.8. So a few drop of essential oil will be ideal for ...