Vacuum Cleaner/Cleaner Blower 2-in-1: It's not only a powerful cordless vacuum cleaner, but also a cleaner blower. One side of the clener is to absorb dust and the other side to blow away dust, which gives you efficiently cleaning experience Long Lasting Battey: The laptop vacuum adopts 2200mAh high capacity lithium-ion batteries which makes working time up to 50 minutes. The mini size and lightweight makes it convenient carrying to clean keyboard, computer, laptop, cars, office desk, pet hair, dog hair, cat hair, pet house, crumbs, scraps, etc Ultra Long Life:The mini vacuum cleaner ensures at least 1000 cyclic charging times and 5 years lifetime for dust buster