Protecting wooden floors: Using soft bristles or anti-scuff materials on the roller brush can prevent damage to the painted surface when cleaning wooden floors, while also achieving efficient cleaning results and achieving the dual functions of protection and cleaning. Applicable to various scenarios: It can flexibly switch to adapt to different usage scenarios. Whether it is a large area of floor, narrow corners, or furniture surfaces, the roller brush can be applied, thereby improving cleaning efficiency. Enhancing suction utilization rate: The stirring force generated by the rotation of the roller brush makes it easier for dust to be sucked away by the vacuum cleaner's suction, thereby increasing the cleaning efficiency per unit time. Robot Vacuum Roller Brush ，Compatible For Xiaomi ， X20 Roller Brush