... mini fan 1.Fan size:6inch 2.Power:USB/battery 3.Speed:two speed,1700RPM 4.Feature:simple style ... ,pitch angle adjustable simple style mini fanSpecifications:Power source: USB or 4 ... continuously with long time. 5.Fashional and contracted style with decoration of metal,bring simple sense of ... wind, cool and refreshing, comfortable. simple style mini fan with metal