Feature:1. Multi Function: This mini USB humidifier features the functions of humidification, airs purification, repelling and sterilization.2. Nano Spray: This mini USB humidifier provides nano spray that can be fully diffused into the air, not easy to wet the desktop.3. Silent Working: This mini USB humidifier is quiet when working, safe and radiationless, suitable for the pregnant and kids.4. Small Size: This mini USB humidifier is small in size and light in weight, providing more convenience for travel and camping.5. Wide Applicability: This mini USB humidifier is suitable for study, office, desk, reading, bedside, living room and so on.How to Use:1. Fill the tank with water2. Connect USB to power supplySpecification:Item Type: Mini HumidifierMaterial: ABSOperating Voltage: DC5VProduct Size: Approx. 80 x 80 x 100mm / 3.15 x 3.15 x 3.94in ( Manual Measurement, Slight Error May Exist )Spray Time: 8 HoursWater Tank Capacity: 250mlWeight: Approx. 102g / 3.60oz Package List:1 xMini Humidifier1 x USB Cable