Peltor Sport Smart Tactical 500 Black Electronic Hearing Protector Earmuffs Posted on July 14, 2023 by admin Peltor Sport Smart Tactical 500 Black Electronic Hearing Protector Earmuffs. Features: Active Noise Reduction (ANR), Adjustable Headband, Ambient Sound Enhancement, Folding, With Case. Compatible Battery Sizes: AA. Set Includes: 1 Earmuff, 1 Bag. Basic testing done: Powers on.