It is suitable for different floor materials, and can not only clean the floating dust of hard floor, but also carb the carpet fiber, so as to prevent scratching the floor paint surface or damaging the carpet texture during cleaning With the help of evenly distributed bristle structure, the cleaning contact area is expanded, the number of repeated cleaning times is reduced, and the cleaning efficiency per unit time is improved, covering the needs of living rooms, bedrooms, kitchens and other scenarios The slight vibration generated during the rotation process can loosen the attachments attached to the hard-to-touch areas such as the bottom of the sofa and the bottom of the bed, and achieve all-round cleaning with the suction force of the vacuum cleaner without leaving dead corners Carding fabric surface fibers to avoid fiber clumping caused by long-term adhesion of dust, maintaining the fluffiness of carpet, sofa and other fabrics, prolonging the service life of household goods, and maintaining the clean texture of home Compatible For Dreame L40 Ultra / X40 Ultra. Robot Vacuum Cleaner Roller Brush