Washable & Reusable Filter A mini vacuum with 2 washable HEPA filters (one on the hoover and one inside the colored box), which can be used as a spare filter after cleaning. Regular cleaning helps to maintain suction effectiveness.
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Convenient USB Charging The mini vacuum can be charged by mobile power, smartphone, USB interface, and multiple charging methods. It only takes 3-4 hours to fully charge. You can charge this small vacuum cleaner at any time with just one USB port.
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4000 mAh lithium battery Keyboard vacuum cleaner, built-in 2*2000 mAh lithium batteries, fully charged can be used continuously for about 25 minutes.
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