ICOCO Nanum Portable Auto Mini Humidifier Air Purifier Diffuser Freshener for Car Travel (Blue) NOTE: DO NOT ADD perfume or aromatherapy essential oils; please do not use it when there is no water in the bottle; Improper operation will greatly shorten the life of the product. Easily touch the button to choose mode: Creative air humidifier car charger, making full humidification. Humidifier water tank could be 180 rotation with no leakage, standard car charger interface, which could compatible with the most vehicles. Purification function: Pleasant smell helps you lift your mood, relieve tension and anxiety, and boost the metabolism. Compact and lightweight, this personal humidifier offers portability that is perfect for travel use. Get rid of static, reduce the radiation and sterilize. Your Vehicle Need it. Humidification function: With a 25mL Humidifing Capacity per Hour to refresh the quality of air we breath in the car, it's Enough to Change the Car Microenvironment. 2 hours power protection: After continuously working for 2 hours, it will cut off the power automatically. There are some use tips in the listing, if you have any quality problem,pls directly contact seller at first.