GLODEALS Professional Powerful Computer Laptop Keyboard Mini Vacuum Cleaner Battery Powered Dust Cleaner Dust Collector Tool (black) Operated by three dusting tool (flat tip cleaning tool, brush cleaning head and tube cleaning head), small, lightweight, easy to carry. 4*AA (1.5v) battery-powered for nine hours continuous cleaning, suction and full of fine dust for light / confetti / fruit scraps and sediment. But it can only absorb smaller objects (about 5mm diameter), too large or strong object will lead to the outlet stuck. high-quality motor, low noise, long service life. Velcro bottom design. You can open the dust bag when need dump the dust, with washable nylon fabric, It is easy and fast to clean. Suitable for computer keyboards, computer chassis, mobile phones, and the place where is easily absorb dust.