Featuring proprietary 3M technology that suppresses harmful gunshot noise while amplifying low-level sounds, the 3M Peltor Tactical 100 Electronic Hearing Protctor is idea for hunters and indoor and outdoor shooters. Adaptive Frequency Response reduces background noise for clearer conversations and hearing of commands. Plus, the Variable Suppression Time feature provides optimal echo reduction in indoor shooting environments. With superior performance, enhanced comfort features and improved functionality - including a tethered battery door, streamlined design, improved noise reduction rating and enhanced electronics - the 3M Peltor Tactical 100 Electronic Hearing Protector combines innovative 3M technology with the trusted Peltor Brand to give shooters and hunters the ultimate hearing protection experience.