while potentially harmful noises (above 85dB) are reduced via a proprietary design that incorporates a special noise-reducing filter

or other disturbances

designed to hold ear plugs or ear molds in place while engaging in water activities

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while the optimal earmuff shape provides pressure-free protection for the outer ear

ISOtunes Sport DEFY Bluetooth Ear Muffs (NRR 25) rprice-75-100 while potentially harmful noises (aboveHearing protection without compromise. DEFY is a tactical earmuff that defies every assumption shooters have about painful and restrictive hearing protection. This modern take on a traditional style earmuff features next generation technology, providing environmental awareness and gunshot noise attenuation. Features: Tactical Sound Control Technology enhances your hearing up to 8x while protecting you from high impact noises in under 2 milliseconds.