long range hunting,LRH,Beretta,tactical-store,cobra,kingarms，opsgear,predator,wilcox,sniper，evike,Barska，Konus,GunVault，BOTACH,阿特拉斯,atlas bipods
Light-weight , ergonomic , adjustable padded headband and ear cups , designed for maximum comfort.
-Advanced compression circuitry retains all sounds , with low sounds enhanced , and loud sounds reduced to a safe volume level.
-Excellent environmental noise reduction ( NRR 25 )
-Maximum amplification : 50dB ( up to 9 times normal )