Details:
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High quality audio with Advanced Ergonomics
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Acoustic attenuation: EN352 SNR = 32dB / Canada: Z94.2-14 (Class A) / US: ANSI NRR=25dB
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Waterproof, wind-protected differential microphone
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Push to talk options: 3 ways switch on cup, on chest along cable (palm -pushbutton)
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Cables options: Long (12 m) or short (3 m) extension cable
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1-year electronic warranty