USB rechargeable type: 1200mAh lithium battery, fully charged for about 3h, normally used for about 5h at the first gear and 4h at the second gear. 360 upward wind rotation, no dust, to prevent debris floating, spiral blades easy to clean, all kinds of slag and slag are sucked away. Comfortable handle design: comfortable grip, easy to take. Vacuum plug: no longer worry about the garbage in the gap can not be cleaned The cleaning brush delivered with the package can more conveniently and safely remove the debris and dust on the mesh surface. The bottom of the desktop cleaner body is equipped with a debris bin, which can store the debris for daily cleaning. It can be opened by gently rotating counterclockwise to dump the internal debris You can easily absorb all the dust you can think of