The HMEC-46-BV-K is a lightweight (4.9 oz.) active noise cancellation headset (15db). The active noise feature is powered by two AA batteries. Noise cancelling electret microphone with a rotating boom. Has a split headband for ultimate comfort and a flip away earphone for open air conversation. Has internal cables. Features a left/right volume control, stereo/mono switch and cell phone/audio ports. This headset is for use in jet aircraft.

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