CALIBER and Large do not fit

and Large do not fit inside of the FREE or FREE 2

Universal clip fits a wide range of safety helmets

the adjustable boom allows for a custom fit and comes with a replacement windscreen

it delivers bold sound

ISOtunes TRILOGY Metal Detectable Eartips feature a metal grommet for detection

CALIBER and Large do not fitCALIBER 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.