Single Replacement Earbuds for CALIBER BT jackman works These Replacement Gel Cushions offer

These Replacement Gel Cushions offer superior comfort for the ISOtunes AIR DEFENDER models

Tactical Sound Control™ amplifies environmental sound and limits harmful noise

These blue replacement eartips use a threaded core and are compatible only with ISOtunes products

26 NRR tested and approved to ANSI s3

3 pairs of silicone double-flange eartips

Single Replacement Earbuds for CALIBER BT jackman works These Replacement Gel Cushions offerSingle replacement earbud with eartips for ISOtunes Sport CALIBER BT. All replacement earbuds come with the following: 1 Small Short Trilogy Eartip 1 Medium Short Trilogy Eartip 1 Large Short Trilogy Eartip Please note: All single replacement earbuds and charging cases are certified refurbished items. SKU# IT 17R (Right) SKU# IT 17L (Left)