1.size:150*100*155mm 2.Power just 2.1W, energy saving. 3. With CE ... mini DC brushless cooling fanFeatures:1.2400RPM speed,96mm blade diameter, new DC brushless motor,strong wind, super mute2.5V USB power ... new environmental material, safe.3.New generation of DC brushless technique, power just 2.1W, energy saving.4.Fan's ... wind,cool and refreshing,comfortable. 96mm metal fan mini DC brushless cooling fan