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ISOtunes TRILOGY™ Foam LINK Replacement Ear Cushions offer a trifecta of benefits for optimal hearing protection: superior comfort
USB-C charging cable
Tactical Sound Control™ amplifies environmental sound and cuts harmful noise
a charging case
Durable IPX4 water resistant
CALIBER BT Certified Refurbished INSIDER-50 ISOtunes TRILOGY™ Foam LINK ReplacementThe Freedom You Want. The Protection You Need. CALIBER BT is a Bluetooth shooting earbud that packs a big punch in a little package. This electronic ear pro is completely dust, sweat, and waterproof and can run up to 13 hours without needing to be recharged. The completely cordless design allows you to move freely while Tactical Sound Control delivers amplified natural sound and gunshot noise reduction. Thoroughly cleaned and inspected, this "like
