table fan 1.Great metal material&aluminum blade 2.4" size,light weight ... fan1.2400RPM speed,96mm blade diameter, blades can be metal or plastic on your options,new DC brushless motor, ... 2.5V USB(cable length:1.2m) power supply, metal shell, special mesh enclosure design, all has been done ... used continuously with long time. 5.Fashional and contracted metal style, noble and elegant. 6.Fan is with control ...