Features: Silicone sleeve is an accessory designed specifically for dedicated model 4th generation earbuds, aimed at enhancing comfort, improving fit, and protecting the earphones. Using quality silicone, soft and elastic, it can effectively adapt to different ear shapes and provide a comfortable wearing experience. Multiple size option are provided, allowing users to choose the most suitable part according to their needs to ensuring the best sealing effect and sound quality. The silicone has certain anti slip properties, making it less likely to fall off when worn and improving stability during exercise. Silicone is easy to clean and can be easily cleaned with water and mild cleaning agents to maintain hygiene. Silicone sleeves can effectively reduce damage to earphones caused by collisions or wear, and prolong the use of earphones. Specifications: Component: Silicone Color: black Size: Small, M, L(optional) Size: Special model standard size, refer to pictures Package Includes: 1 Pair Silicone Earplugs note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.