Features: High-quality memory foam tips provide a comfortable and secure in-ear fit. The memory foam tips offer excellent noise isolation for an enhanced audio experience with superior bass and a good seal that helps block out external noise. Application: Designed for WF-1000XM4 and other wireless Bluetooth-compatible earbuds. Slow-rebound foam provides noise reduction, is super soft, comfortable, and safe for extended wear, suitable for exercise. Does not interfere with charging. Offers an improved sound experience. Package Includes: 1 Pair of Earphone Earpads Specifications: Size: S / M / L Color: Black / Gray Material: Sponge Fit for: WF-1000XM4 Earbuds S-Size: (approx) Outer Circle Diameter 11mm, Inner Mounting Hole Diameter: 3.8mm–5.5mm M-Size: (approx) Outer Circle Diameter 12mm, Inner Mounting Hole Diameter: 3.8mm–5.5mm L-Size: (approx) Outer Circle Diameter 13mm, Inner Mounting Hole Diameter: 3.8mm–5.5mm Quantity: 1 Pair Note: Earphones are not included. Due to lighting effects and shooting angles, there may be slight variations in product appearance. Please allow for a 0–1 cm measurement deviation due to manual measurement.