USB mini fan,mini fan,USB desk fan 1.can use battery to work 2.can insert into any USB port to work. 3.portable for trip. USB mini fan,mini fan,USB desk fan1.just insert the USB wire into any USB port,the fan will work.2.also can use battery in the open, it's good freind for your trip.3.with turn on/off switch4.available color:red,yellow,blue,green,pink5.Promotional gift for supermarket.6.put it ...