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Venture Gear Electronic Earmuff.
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NRR 26dB
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Bluetooth compatible.
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Noise suppression after 85db.
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Automatic shut-off after four hours.
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3.5 mm AUX jack for use of MP3 and mobile devices.
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Quad microphones.
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2 AAA batteries included.
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Available in a VG clamshell.
- ANSI/ASA S3.19-1974