... 1. Features:easy to carry 2.USB Fan with Aluminum leaf 3. USB power supply,5V,safe&convenient 4. ... DC brushless motor,strong wind, super mute3.5V USB power supply,new environmental material,special mesh enclosure ... , all has been done by smoothing processing, the shell can be done by painting or plating , safe ... angle can be adjusted up and down by 360°.8.Fan takes a small area,stable structure,easy ...