Shooting ear muff, hunting ear muff

NRR:25dB. 
1) Special compression circuitry best for Shooting & Hunting outdoor. 
2) Delivers premium digital sound quality for greatest hearing experience while protecting your ears from damaging loud muzzle blast. 
3) You can also adjust the sensitivity by turning the gear on the cup. 
4) High sensitivity can capture and amplify the slight sounds(from animals) , and you can response quickly. 
5) 4 directional microphones to pinpoint where sounds originate, it's better for sensing the sounds need to be reduced or amplified. 
6) Great for range masters and NRA shooting instructors. 
7) Best firearms shooting protection in covered or indoor shooting ranges. 
8) Special designed headband and special ear cushion let you feel comfortable when wearing for long time.