Mini USB Personal Fans 1.DC brushless motor 2.Voltage:DC 5V 3 ... Ultra-thin design,dexterity,easy to carry Mini USB Personal Fans 1.DC brushless motor 2.Voltage:DC 5V 3. ... shell, special mesh enclosure design, all has been done by exquisite processing, safe. 3.New generation of DC brushless ... control switch, its angle can be adjusted up and down by 360°. 7.Small size,easy to carry. Appearance exquisite, ...