ISOtunes Sport DEFY Slim Basic delivers superior protection in a no-frills, ultra-slim design. Tactical Sound Control allows you to hear and control ambient sound volumes, all while protecting you from harmful gunshot noises. DEFY Slim Basic is the ultimate electronic earmuff for distraction-free, high-performance protection.
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Tactical Sound Control Technology enhances your hearing by 8x while protecting you from high-impact noises in under 2 milliseconds
- Ultra-Slim Profile
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27 SNR tested and approved to ANSI s3.19-1974.
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Lightweight Design at just 289 grams.
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Up to 300 Hour Battery Life with 2 AAA batteries.
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SafeMax Technology limits volume output to 85 dB for all-day, damage-free listening.
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IPX4 Durability for sweat, water and dust resistant protection.
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