Earmuff earphone cover $ 4.26 Donut style design allows maximum sound to the ears of speakers. function: replace their lost or worn-out ear pad pillows with a new pair. Three. easy to install, better quality. Four. designed to improve the fidelity of their audio by dampening the vibrations between their ear and the headset, provides more vivid sounds. Five. This earplug comes with PU leather for additional comfort and improved storage foam for noise blocking improvement.