... :easy to carry 2.USB Fan with Aluminum leaf 3. USB power supply,5V,safe&convenient ... 4. Low noise,long life,smart Features:1.Shell&support material:metal2.2400RPM speed,96mm blade ... diameter, blades can be metal or plastic on your options, new DC brushless motor,strong wind, super mute3.5V USB ... style, noble and elegant.7.Fan is with control switch,its angle ...