It is not just a mini vacuum. It is Mini Vacuum, Air Duster and Hand Pump 3 in 1One 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. [Four crevice tools] Mini brush/flat nozzle, hose and blow nozzlewhich are practical crevice tools that can be used to clean hard-to-reach areas. [Smaller size, Stronger suction] The small hand vacuum has a length of 8.5in, a diameter of 2.6in and a weight of 1lb, but its motor has 80W power and can provide 4Kpa cyclone suction. it may be the smallest of all cordless vacuum with a suction of more than 4KPa. [Reliable lithium battery technology & long battery life] The tiny vac has built-in 2500 mAh lithium battery, 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] 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.