Type: USB Fan 1.Brushless motor USB Fan 2.Size:146*82*150mm 3.Speed control,powerful wind,noiseless 4.Plug-and-play USB Fan 1.2300PRM speed,96mm blade diameter, new DC brushless motor,strong wind,super quiet. 2.Ultra-quite design,Noiseless 3.Fan occupies small room, stable structure,easy to place 4.Fan's life can be 25000-30000 hours, can be used continuously with long time 5.Fan occupies small ...