1. Features:easy to carry 2.USB Fan with Aluminum leaf 3. USB power supply,5V,safe&convenient 4. Low noise,long ... options, new DC brushless motor,strong wind, super mute3.5V USB power supply,new environmental material,special mesh enclosure design, all ... switch,its angle can be adjusted up and down by 360°.8.Fan takes a small area,stable structure,easy ... ’s option.12.Wire length:1.2m Metal style USB fan