1. Product features: High quality, made of high-quality materials, and more durable. 2. Side brush function: The side brush allows your vacuum cleaner to reach into corners for a more thorough cleaning. 3. Filter function: The filter can filter fine dust, reducing the infiltration of dust, pollen, and other allergens into the air around you. 4. Maintenance method: As part of daily maintenance, the filter can be easily removed and replaced. To keep the machine performing at its best, it is recommended to replace the spare parts every 2 to 3 months. 5. Compatible models: - Suitable for Mi Home Sweeping and Mopping Robot 2S, model: XMSTJQR2S/BHR5771EU/BHR5771. - Suitable for Mi Home Sweeping and Mopping Robot P, model: STYTJ02YM. - Suitable for Mi Home Sweeping and Mopping Robot Pro, model: STYJ02YM. 6. Product color: As shown in the picture. 7. Product material: Plastic. 8. Package contents: 2 roller brushes, 4 side brushes, 4 HEPA filters, and 1 cleaning brush. Only the above package contents are included, and other products are not included. 9. Precautions: - Light reflection and different displays may cause slight differences between the color of the items in the picture and the actual product. - A measurement error of ±1 - 3 cm is allowed.