Mini Car Oils Diffuser USB LED Mist Maker For Home And | s Important things you need to know: 1.Before using the humidifier, please make sure that the cotton swab is completely immersed in water to ensure that the wet cotton swab is in contact with the atomizing sheet and can emit a good mist. 2.The humidifier uses pure water, do not use tap water 3.Clean the atomizer regularly, because the atomizer is the key to the fog 4. add too many essential oils (1-2 drops). And only add water-soluble essential oils. wise, the humidifier will be corroded. Clean the humidifier and atomizer in time after using essential oils. Product Parameter Product : Egg Working voltage: 5v Working current: 500mA : 2.5w tank capacity: 400ml volume: 35ml/h Product size: * *134mm Material: ABS, PP, silicone