Peltor Sport Tactical 300 Electronic Hearing Protector Black. Suppresses gunshot noise and amplifies low sounds using proprietary 3M technologies. Gunshot Recognition and Suppression Technology optimizes noise protection based on the firearm being used and the environment in which it's being used. Clear Voice Tracking Technology seeks voice amongst the noise to improve speech intelligibility and situational awareness. Engineered for optimal fit and comfort. Foldable and adjustable.Features:24 dB Noise Reduction Rating (NRR) 3M SMART Technologies Dynamic Suppression Time adapts to firearm and environment for optimized shooting experience Clear Voice Tracking seeks voice within noise for improved speech intelligibility Auto shut-off Intuitive buttons and voice guidance let you operate without removing headset Low-profile cups have cut-outs for use with long guns' Vented adjustable headband improves comfort when worn with hats Durable recessed microphones designed to reduce wind and fan noise Specifications for Peltor Sport Tactical 300 Electronic Hearing Protector: Manufacturer: PELTOR Color: Black NRR: 24 dB Quantity: 1 Battery Type: AAA Battery Quantity: 2 Package Contents: Peltor Sport Tactical 300 Electronic Hearing Protector Peltor TAC300-OTH: Sport Tactical 300 Electronic Hearing Protector Black