100% brand new and high qualityBed room， Children's room， office， cafe， car， travel， you can use it anywhereUltra fine mode at night etcFilter only for the humidifierSuggested time of filter usage is 3 monthsRecommended to keep the product after dried from SunshineAvailable to use for 1 yearNot available to use as a mineral water due to it is used in aroma oil5 hours usable time onceDescription of USB Water Bottle Caps HumidifierMaterial: ABS plasticCapacity:550 mlHumidification quantity: 350ml/hSize:75 x 75 x 60mmPower:0-28 WCable Length: 1mColor : Pink / Blue / Yellow / WhiteQuantity: 1 pcNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you! Package includes: USB Water Bottle Caps Humidifier Package:Bottle Caps Humidifier x 1 USB Power Cable x 1Filter Sticks x 2