Plantronics Ear Cushion (for Blackwire C420), 83422-01
Creates a better seal to the ear than foam ear cushions and blocks out maximum ambient room noise
Increases incoming sound for the user by several decibels, compared with foam ear cushions
Donut style allows maximun sound to the ear from the speaker
Not interchangeable with other ear cushions
Easy to clean with mild soap and water or use BTP cleaners
Will last longer than foam ear cushions if taken care of properly and no alcohol products are used for cleaning