Perfect Fit for H3S : Specially designed for H3S headphones, these ear pad feature precisely clip on for easy installation and removal, ensuring a securely fit without affecting noise cancellation or wearing comfort. Soft PU Earmuff: Made with smooth PU leather for a gentle touch, these ear pad are breathable and reduce ear fatigue during long wear. The high elastic sponge provides comfortable wrapping while maintaining original headphone . Detailed Markings : Clear markings inside the ear pad, confusion during installation and maintaining the headphones' aesthetic appeal after replacement. Enhanced Durability :The sponge resists deformation and maintains elasticity, while the durability PU withstands wear and tear, solving common issues like peeling, aging, and collapse to extend headphone use. Stable Noise Isolation : Thickened sponge and sealed leather structure fill gaps between ear and headphones, improving passive noise isolation without compromising active noise cancellation or music quality during call and music playbacks.