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7
SLEEVE VARIETIES
CHANGING SLEEVES
The sleeves at the end of the earphones can be replaced by sliding them off
and on. A combination of twisting and pulling is recommended for sleeve
removal.
Flex Sleeves. These reusable sleeves, made of a clear pliable
plastic (PA756) or a soft, gray silicone rubber (PA758), fit com-
fortably in the ear and allow for ease of insertion. Choose from
3 sizes—small, medium or large—for the best fit. These should be
cleaned regularly, using alcohol wipes or an antiseptic.
Foam Sleeves. These disposable foam sleeves compress to
fit in the ear canal. Once in the ear, the foam expands to form
a tight seal that holds the earphones firmly in place.
Triple-Flange Sleeves. These reusable sleeves form a
tighter seal than flex sleeves while holding the earphones
firmly in place. These should be cleaned regularly, using al-
cohol wipes or an antiseptic.
NOTE: On each foam sleeve there is a rough side and a
smooth side. For greater comfort, Shure recommends that you
place the smooth side facing out, away from the earphone.