In the hot summer day, buying a fan is necessary. This mini usb fan is a good choice.Featured with usb interface, it is easy to use; you can connect it with your laptop when working. Also can be installed batteries, no usb power port, the air fan can work. This cooling fan is the closest thing to a hand held mini air conditioner! Use it outdoors or keep it indoors as a desk fan. It provides gentle cool breeze. Fully portable & mobile, it allows you to take it literally anywhere you want. This environmentally friendly mini fan is rewarding to buy.
Speed mode: 3 ranges & usb interface, easy & convenient to use
plug & play, easy to use,more interfaces for option & led lighting function.
Adopted 4.5w brushless motor industrial grade fan (4 inch), strong winds & long life.
The battery bin is a detachable structure, which is convenient for users to use or replace the battery.
Package included: 1 x led usb fan & 1 x usb cable,user can use 5v charger or pwer bank