1.2011 hottest fan,all-metal structure 2.Use for cooling or decoration 3.Ultra-quiet,competitive price&capacity super thin cooling fan,electric ... : 1.2400RPM speed,96mm blade diameter, blades can be metal or plastic on your options,new DC brushless motor, strong wind, super ... quiet. 2.5V USB(cable length:1.2m) power supply, metal shell, special mesh ...