【Using Tip】: If the vacuum filter is full of or suction weakens, please clean the filter in time to make sure the dust buster can work properly. 【Cordless】: The cordless design allows you to carry vacuum easily. It is convenient to take away, easy to use this cordless handheld vacuum to clean dust and other tiny particles in car, at home and office. 【Handheld Vacuum】: This mini vacuum is very convenient to carry, ideal for cleaning small mess in small crevices , such as sliding doors tracks, sliding windows, drawers, computer hosts, car doors, sofas, keyboards, sewing machines, pianos, etc. 【Sucking and Blowing Function】: This portable vacuum cleaner not only sucking up dust, but also blowing away the dust, end of the is the vacuuming effect, can as dust buster, and the other end is the blowing function, can as air duster. The handheld vacuum cordless has a smart design, which gives you efficiently cleaning experience. 【Reusable and Washable Filter】: This small vacuum cleaner HEPA filter can washable and reusable. The filter is easy to assemble and disassemble