NIUNIU Long life and easy cleaning: built-in lithium battery, long life and excellent performance. Smaller vacuums can work continuously for up to 60 minutes on a full charge. Washable filters, nozzles and brushes stay new and durable Powerful suction: The desktop vacuum cleaner has a built-in 2000mAh lithium battery with a rated output of 8W. Two side vents provide heat radiation. (*Note: Please keep the nozzle close to the flat surface for more suction) Cordless and USB Charging Port: Portable cordless hand vacuum cleaner, small size and light weight, easy to carry around. The package includes a USB data cable, which can be charged at any time by inserting it into the USB port 2 Vacuum nozzles: The mini computer vacuum cleaner has two types of interchangeable straws. The flat nozzle sucks in small pieces of paper, and the brush nozzle removes ash and dust Widely Applicable: Perfect all-purpose cleaner for desktop/laptop/keyboard/case dust or small gap dust, soot from lighters, bread crumbs and paper crumbs on desks, pet hair, particles in cosmetic bags, etc.