Features: The 4000mAh Rechargeable Portable Fan delivers powerful airflows with advanced turbines technology, keepings you cool for extended periods during outdoor or indoor use. Featuring a digital display for battery monitoring, this fan adapts to any cooling preference from gentle wind to turbos airflows. Ideal for traveler, office workers, and outdoor lover needing reliable personals cooling during commutes, camping trip, or desk work. Perfect for use in car, backpacks, patios, or dorm room – its lightweight design ensures instantly cooling. Engineered with ABS housing and energy efficient components, this desk fan combines portability with best performances for comfort. Specifications: Component: ABS Electronic Components Size: Approx.143x78x40mm/5.63x3.07x1.57inch Color: 3 Optional Input Power:5V1A Battery Capacity:4000mAh Package Includes: 1Pc Desk 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.