100% brand new and high quality.Three functions: humidification， aroma diffusion and air purification.Small size and it is portable.Remove unfavorable odors & food smells.Removable tank and easy refilling.You can drop the aroma oil into the water to make the air fresher. (Aroma oil is not included.)Powered via USB port on your computer.Low power consumption.A healthy lifestyle gadget， it is great for your home， office and car.Portable Mini USB Humidifier Air Purifier Aroma Diffuser for Office Home RoomMaterial: ABSColor: BlueRated voltage: DC 5VRated power: 2W �� 0.5WContainer capacity: 80mlAmount of water spray mist: ��50ml / hrApplied area: 15 square metersWorking temperatures: 10-40 ��CHumidifier size: 10cm x 10cm x 7.5cmUSB cable length: Approx 115cm.AttentionPlease keep the mouth of the spray clean and put the product in the clean place when you do not use it.Please add water in time when used up.Package Included:1x Humidifier1x USB charger cable1x Absorbent cotton bar1x Users' manual