Specification: Brand name: USAMS Model: US-ZB003 Materials: ABS Input: DC5V-1A Size: 12.5*12.5cm Output power: 2.1W(Max) Speed: 3 grade Work time: 3-5 hours Capacity of battery: 1200mAh Accessories: USB charge cable Optional color: White、 Black、 Pink、 Blue   Package included: 1 X USAMS US-ZB003 Portable Mini Fan 1 X USB Charge Cable