Features: High quality memory foam tips for a comfortable and secure in-ear fit Memory foam tips provide noise isolation for an enhanced audio experience with superior bass and effective external noise reduction Compatible with WF-1000XM4 and other wireless Bluetooth headsets; slow-rebound foam design Soft, comfortable, and safe for extended wear; suitable for exercise and daily use Designed to not interfere with charging functionality Delivers a high-quality sound experience Specifications: Size: S/M/L Color: Black/Gray Material: Sponge Fit for: WF-1000XM4 Earbuds S-Size: Outer Circle Diameter 11mm, Inner Mounting Hole Diameter 3.8mm–5.5mm M-Size: Outer Circle Diameter 12mm, Inner Mounting Hole Diameter 3.8mm–5.5mm L-Size: Outer Circle Diameter 13mm, Inner Mounting Hole Diameter 3.8mm–5.5mm Quantity: 1 Pair Note: Earphones not included Due to lighting effects and shooting angles, slight color variations may occur Allow 0–1cm measurement deviation due to manual measurement Package includes: 1 Pair x Earphone Earpads