Features: Stay cooling anywhere with this 4000mah USB rechargeable mini cooling fan featuring rotating airflows and humidifying mist for enhances air comfort. This fan delivers 360 degree rotation, portable operation by USB charging, and duals cooling humidifying functions in quiet performances. Perfect for outdoor adventurers, office professionals, and home users seekings personals climates control in dry or stuffy environment. Ideal for desk workstations, camping trip, or bedside tables where space efficient air circulation and moisture balance matter most. Combines powerful battery with adjustable mist setting to combat heatwaves while maintaining low noise operation. Specifications: Component: ABS Size: Approx.16x12.5x30.7cm/6.30x4.92x12.09inch Input voltage: 5V Input current: 1.7A Water tank capacity:350ML Battery capacity: 4000mAh Package Includes: 1Pc Mini Cooling Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.