OfficeCode Mini Table Dust Vacuum Cleaner Compact, small and easy to carry desktop vacuum cleaner, Size: about 8x6cm Keep your desktop clean - vacuums Dust, Food-crumbs, Staples, Eraser Residue - Enough suction power for small tasks like these around the house or office No wire needed , Power Supply : 2 x AA Batteries(Not Included Here) Powered for under 10 minutes continuous cleaning, suction and full of fine dust for light / confetti / fruit scraps and sediment. But it can only absorb smaller objects, too large or strong object will lead to the outlet stuck. Detachable bottom design. You can push the bottom when need dump the dust, it is easy and fast to clean.