The portable vacuum cleaner weighs only 0. 5 kg It uses a high-performance brushless motor which rotates at up to 88,000 rpm and has a suction force of 13,000 Pa. The device also has an extremely fast start-stop function which can prevent dust from entering the suction port when turned off. The dust collector is equipped with a steel mesh primary filter and a high-efficiency H11 class HEPA filter which can be removed and washed.