... design,mini size,good cooler Popular USB mini fan for promotion Power source plug: USBMaterial: MetalMeas(with ... contracted metal style, noble and elegant. 6.Fan is with control switch, its angle can be ... weight(with box):390g,easy to carry. 8.Fan occupies small room, stable structure, easy to ... ,no external power needed,USB power adapter required for the 5V .. 1000MA 12.Personalized different colors. ...