... -metal design,mini size,good cooler Popular USB mini fan for promotionPower source plug: USBMaterial: MetalMeas(with ... 1.2MFeatures1.2600RPM speed,96mm blade diameter, blades can be metal or plastic on your options,new ... has been done by smoothing processing, the shell can be done by painting or plating,safe. 3 ... structure, easy to place. 9.Appearance smart, can be used in any occasion. 10.Sofe wind, ...