1、DUAL USE: This is a car humidifier, also a car fragrance diffuser, take the humidifier for multi use. 2、AUTOMATIC OPERATION: There is a built in smart chip in the humidifier, which automatically senses the interior environment of the car, automatic starting when getting on and automatic closing when getting off, no need for manual control, easy and convenient! 3、MILD SMELL: The fragrance is produced with safe and non toxic material, which is pregnant safe and baby safe, choose the humidifier with confidence! 4、QUIET OPERATION: This USB portable humidifier produces only a small sound, which is very quiet, and will not affect the sound effect of the car music or when answering the phone. 5、3 GEARS ADJUSTABLE: The fragrance diffuser has 3 gears, and you can make adjustments according to actual needs. Item Type: USB Humidifier Material: ABS, Zinc Alloy Water Capacity: 260ML Battery: Polymer battery 1200mAh (included) Weight: Approx. 250 g / 8.8 oz 1 x Car Humidifier 1 x USB Cable 1 x Manual