Level Dependant Function

Also includes 30 mm hard hat adapter

This means that already after 7 minutes you risk permanent hearing damage

a fully sweatproof design

always make sure there is no gap between the bottom of the tip and the stem

ISOtunes Sport CALIBER True Wireless Earphones w/ Bluetooth (NRR 25) Moldex Level Dependant FunctionThe Freedom You Want. The Protection You Need. CALIBER is a Bluetooth shooting earbud that packs a big punch in a little package. This electronic ear pro protects against dust, sweat, and water 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. Backed by: One Year Warranty (if it's our fault we