WINOMO 15 Pairs of Headphone Earpads Earphone Covers Sponge Earbud (Black) This is Foam Ear Pad Ear Cover Sponge Earbud for Headphone Earphone Headset. Color: Black. Size: Approx 18*7*2.5mm 0.7*0.3*0.1 inch. Suitable for the in-ear headphones (diameter: 13-18mm). Compatible for Bang Olufsen A8 Earset, Sennheiser MX and many other headphones. These sponge pads can replace according to your willing, keep your headphone cleaning and comfortable. Designed to enhance the fidelity of your audio by cushioning the vibrations between your ear and the headset, providing more vibrant sounds.