If you are looking for a small size and convenient air humidifier, then our product will be your good choice. We adopt ABS, copper, rubber materials, can keep it for longtime using. It would be your best home helper for you and your family in . Features - Color: Black - Material: ABS, copper, rubber - Size: 11.50X7.00X7.00cm/4.52X2.75X2.75in - Water Tank Capacity: 220ml - Mist Volume: 40mL/H - Usage Time: 4-8 hours(MAX) - Operating Voltage: 5V - Working Current: 350mA(MAX) - Owning the and break resistance ability, very practical, with excellent texture. - This humidifier will not take up much space, very space saving and convenient for you to place on the desktop. - It can continuous spray and work for longtime. Also it is mute while working and will not disturb your rest or work time. - USB power interface, can be used to charge via USB computer interface and so on, gives you a satisfying using experience. - Finely atomized and humidified, making it difficult to wet the desktop, and with light functions, of great use. Package list: 3 x Small Humidifier 3 x USB Cable