ISOtunes DEFY Slim Replacement Gel Cushions offer superior comfort. Packaging includes 2 replacement gel ear cushions.
DEFY Slim Replacement Foam Cushions fit the ISOtunes Sport DEFY Slim BT and DEFY Slim. For regular users, we recommend replacing ear cushions every 3-9 months depending on the frequency of use.
The gel cushions feel like the earmuffs are giving your ears a hug.
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