Compatible with ISOtunes PRO (IT-01/IT-03/IT-08/IT-09), ISOtunes Xtra (IT-02/IT-07) and ISOtunes Wired (IT-04). ISOtunes TRILOGY™ Foam Replacement Eartips offer a trifecta of benefits for optimal hearing protection: 1) Superior comfort - super soft memory foam2) Superior attenuation - made from the best materials available to reduce outside noise3) Superior sound - durable core material that will not distort sound/music qualityChoose between Extra Small (white core), Small (green core), Medium (black core) and Large (blue core). All orders come with 5 pairs.
