iRun&reg; Mini Portable New Style Lotus Mistifier Air Humidifier with USB Cable for Office Home (White) Creative Lotus Humidifer: Keep the air at a comfortable moisture level to help protect your skin! Instruction: The product use touch switch, touch once:work 3 hours; touch second:work 6 hours; touch third: off. Applications: Car, Travel, Home, Offices, Outdoor, Bedroom, Living room, Dormitory, College, SPA, Yoga, etc. Notice: Oily liquid or liquid with impurities is not allowed to use! If no suddenness, it usually takes 7-15 business days for delivery in USA by USPS (e-Packet), and takes 25-45 bussiness days to Other countries by China Post.