The main brush has 8 super soft wear-resistant tops, which generate static electricity by rotating friction, which effectively improves the dust cleaning ability Both ends of the detachable roller brush can be detached and easy to clean. The soft hair adopts a special material to protect the floor and has a long life. Detachable brush, plug and unplug, easy to replace Integrated design, replaceable as a whole, with a dust box for washing the new dust box. The anti-wrap structure of the side brush, also known as the "hair insulation bundle", can be rotated synchronously with the side brush to turn one side prevent hair from entering the gap and, on the other hand, collect hair. Compatible with model: For Xiaomi Roborock T7 T7plus T7S T7Splus S7 series S7Max S70 S75 vacuum cleaner.