These are highly recommended for hearing impaired or noisy environments. It has the ability to creates a better seal to the ear than foam ear cushions and blocks out maximum ambient room noise. It also comes with the doughnut style which allows maximum sound to the ear from the speaker. The inside diameter of the ear cushion is approximately 1.1 inches.

Features:

• Made up of leather material
• Compatible to M170, M175, S10, T10, T20 and CT12
• Blocks out maximum ambient room noises
• Allows maximum sound to the ear from the speaker