... 1. Features:easy to carry 2.USB Fan with Aluminum leaf 3. USB power supply,5V,safe&convenient 4. ... 2400RPM speed,96mm blade diameter, blades can be metal or plastic on your options, new DC brushless ... motor,strong wind, super mute3.5V USB power supply,new environmental material,special mesh enclosure ... and contracted style, noble and elegant.7.Fan is with control switch,its angle can be ...