... material:metal2.2400RPM speed,96mm blade diameter, blades can be metal or plastic on your options, new DC brushless motor, ... and current, power just 2.1W, energy saving.5.Fan's life can be 25000~30000 hours,can be used ... .6.Fashional and contracted style, noble and elegant.7.Fan is with control switch,its angle can be adjusted up ... according to client’s option.12.Wire length:1.2m Metal style USB fan