Mini Bottle Humidifier Air Humidificador USB Atomizer Essential Oil Aromatherapy Diffuser Mist Maker Fogger Water Fountain Spray humidifier， mini convenient， simply set into the usual pure drinking water bottles can be used. Products recommends using the bottle is equal to the size of bottles， other bottles of different sizes can also be used but will be relatively loose， humidification function will not have any effect. 300-500 ml of bottled water when using a USB cable or phone charger， providing 30 ml per hour of steam， for 6 to 8 hours， can be easily used in any place， because of its smaller size， it is recommended to repeat the same bottle more environmentally friendly， reusable filter dice three months or so， appropriate sun drying may allow other longer life. When not in use， disconnect the power supply and stored dry dry dice!Bottle Brand: bottle caliber 28MM apply， such as Yakult， Yi Bao， Nongfu Spring， Watson and other brands of bottles.Name: Bottle Caps HumidifierMaterial: ABS+Electronic componentInterface:USBPower:0-28W(Adjustable)The volume of the bottle:Depending on the size of the bottle(The bottle not included)The amount of fog:350ml/HNote:Also can Choose the right bottle to apply to the product!