ISOtunes Sport USED ISOtunes Sport CALIBER BT Tactical Earbuds with True Wireless Bluetooth, 25 NRR, OD Green, IT-17, EDEMO14, Used, Condition Fair, Condition Fair, Used

The Protection You Need. CALIBER is a Bluetooth shooting earbud that packs a big punch in a little package. This electronic Ear Protection is completely dust sweat and waterproof and can run up to 13 hours without needing to be recharged.