✔【Innovative 3 in 1 multifunction】It is not only just a portable vacuum, but also an air duster and hand pump.One end of the machine is connected to the nozzle for vacuuming, and connected to the vacuum slot, which turns into a hand pump for travel, and your vacuum storage bags are air-tight vacuum-packed. while the other end is connected to the nozzle for blowing dust. Nice price and multiple combinations makes this keyboard duster become perfect gift for your family members or friends. | ✔【Multiple accessories for different occasions】 The accessories of this hand vac have at least 5 combinations that can be used as keyboard cleaner, car interior cleaner. It's not only can solve the debris in hard-to-reach places, but also can work on crevices or camera lens.(The blow nozzle and the flexible hose are packed together, please don't miss it when you open the package.) | ✔【Reliable lithium battery technology & long battery life】The tiny vac has 2 built-in 2000 mAh lithium battery(4000mAh), passes 500 charge cycles tests, could provide a long running time for work, and only needs 3-4 hours to be fully charged each time | ✔【Reusable and washable filter】Comes with 2 filters (one on the machine, one on the color box), convenient for you to use after the water wash can be two exchange.The USB vacuum adopts dust container design and its filter meets High Efficiency Particulate Air (HEPA) standard. It is easy to empty, replace and clean. | ✔【Smaller size, Stronger suction】 The small hand vacuum has a length of 6.4in, a diameter of 2.5in and a weight of 1lb, but it’s motor has 100W power and can provide 5.3Kpa cyclone suction. it may be the smallest of all cordless vacuum with a suction of more than 5.3KPa.