1. Features:easy to carry 2.USB Fan with Aluminum leaf 3. USB power supply,5V,safe&convenient 4. Low noise ... new DC brushless motor,strong wind, super mute3.5V USB power supply,new environmental material,special mesh enclosure design, ... style, noble and elegant.7.Fan is with control switch,its angle can be adjusted up and down by 360 ... s option.12.Wire length:1.2m quiet personal usb computer mini fan