About this item Compatibility: These memory foam eartips are compatible with SE215 PRO, SE315, SE425, SE846, SE535, Aonic 4, Aonic 5, and more. Material: Made from soft and comfortable memory foam, ensuring no ear pain even during extended use. Secure Fit: Designed for optimal in-ear fit, these tips stay securely in your ears without easily falling out. Slow Rebound Sponge: After compression, they may appear deformed but recover fully in about 60 seconds, providing better noise cancellation and effective hearing protection. Package Contents: Each package includes 3 pairs of foam eartips. Dimensions: 4.41 x 3.9 x 0.75 inches.