Bundle Includes: Walkers Razor Slim Electronic Muff with Full-Range Speakers and Omnidirectional Mic (Gold Sprinkles) and Walkers Shooting Hearing Protection Case (Black) Speakers: Full range high-definition speakers provide clear and balanced sound Compression: Sound activated with.02 second reaction time protects hearing against sharp retorts while providing continuous sound Controls: Sleek recessed independent volume controls suit your personal preferences and overcome minor hearing loss in one ear if that is necessary Construction: Sound dampening composite housing provides additional protection