FCS Comtac III head sets BK

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Product details:
1 . Noise reduction NRR index: 22dB ( H : 27dB / M : 20dB / L : 16dB )
2 . Panoramic sound real-world sound processing technology, 360 degrees without dead angle, automatically zoom in and out, automatically adjust for certain sounds and provide more details for tactical judgment
3 . Automatic electronic sound pressure protection critical point: about 85dB, automatically reduce high sound pressure sound, protect hearing
4 . With multiple electronic sound pressure levels available, and providing SEO technology to adapt to different shooting environments
5 . Two common 7 (AAA) dry batteries can be driven for up to 150 hours (depending on the battery)
6 . Silicone earphone pad option with excellent active noise reduction isolation for purchase
7 . Easy to fold and easy to carry
8. U-1 74 standard communication plug and standard interface definition
9 . Shooting environment switch, double press simultaneously to quickly switch
10. water/rain proof