Features: [Strong Practicality]This dust cleaner can not only absorb and treat dry dust and dirt but also is not afraid of water stains. Liquid stains such as coffee and beverages can also be cleaned with it. Both dry dirt and liquid dirt can be cleaned freely. [Multi-stage Filtration]This dust collector has a built-in multi-layer filter device, which can effectively intercept and capture fine dust and mites, avoid pollution, and protect your clean environment. [Variety of Brush]This dust cleaner is equipped with three brushes with different functions, each performing its own duties. It can clean the dust in the gaps and corners, as well as the dust in the air outlet and the keyboard gap so that the dust has nowhere to hide. [Easy to Clean]The dust cup and filter of this dust cleaner can be easily disassembled, which is convenient for washing and cleaning without obstacles. The accessories can be reused and are not consumables, which are environmentally friendly and save money. [Strong and Long-lasting]This duat cleaner has a built-in pure copper motor and a 3500 mAh large-capacity lithium battery, which effectively improves the suction power and makes your environment more dust-free and comfortable.