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 fan Specifications:Power source: USB ... , power just 2.1W, energy saving. 4.Fan life can be 25000~30000 hours, can be ... *190mm,product weight:535g,easy to carry. 8.Fan occupies small room, stable structure, can be placed ...