?Long life& Easy Cleaning: The built-in lithium battery with long service life and excellent performance. The Smaller vaccuum cleaner can work up to 60 minutes continuous after fully charged. Washable filter, nozzle and brush keep it new and long lasting. | ?Powerful Suction: The Desk Vacuum Cleaner Built-in 2000mAh lithium battery, rated output power is 8W .Two side air vents help for heat radiatio. (*PayAttention:Please keep the nozzle close to the plane so that the suction is greater. | ?Cordless and USB charging port: Portable handheld Cordless vacuum cleaner, mini size and lightweight, convenient carry to anywhere you go. The package contains the USB data line,you can charge any time by plugging into the usb port. | ?2 Vacuum Nozzles: The mini vacuum for computer has two kinds of straw that can be replaced.; Flat nozzle can inhale little pieces of paper while brush nozzle can dry ash and dust . | ?Broad Application: Perfect multi-functional cleaner for cleaning dust of desktop/ laptop/ keyboard/ air container’s vent or dust in small gaps, cigarette ash in car lighter, bread crumbs & paper scraps on desk, pet hairs, particles in makeup bags, ect.