For E3c, E4c, E5c, E500, i3c, and i4c Versions. Reusable, disposable foam sleeves. Packages of 6, 10, or 20.
For E3c, E4c, E5c, E500, i3c, and i4c Versions. These reusable, disposable foam sleeves compress to fit gently into the ear. Once in the ear, the foam expands to form a tight yet comfortable seal that holds the earphones firmly in place. The E3c, E4c, and E5c come with one pair of universal fitting yellow foam sleeves.