... . Can be live 25000 hours or more long 96mm metal mini DC brushless cooling fan Features:1.2400RPM speed,96mm blade diameter ... , blades can be metal or plastic on your options, new DC brushless motor,strong wind, super mute2.5V ... done by painting or plating , safe.3.New generation of DC brushless technique,lower runing voltage and current, power just 2 ...