Check the listing for details. 34 NRR SHOOTING FIRING GUN RANGE NOISE REDUCTION EAR MUFFS HEARING PROTECTION. Color: Varies, Condition: New. Listed at 18.99 USD. Silence Any Environment - Titus Slim Ear Muff DesignCompact folding design for effective storage. Pull struts make for a 1 Size Fits All DesignCertified 34NRR CE EN 352-1 ANSI S3.19 Approved, Ready For Shooting and Other Loud EnvironmentSoft Padded Ear Cushion for a Snug Comforable Fit - High Quality Durable Outer Construction Ready For AbuseIndustrial Quality - Ready for Construction, Shooting, Hunting, Industrial Work, or even Heavy Machinery Applies to ELECTRONIC ONLY*Built in Microphone monitors noise levels to provide instant on/off protectionInner Speakers amplify safe sounds up to 180% all controlled by an Integrated On/Off Volume ControlANSI Approved Certified 24 NRR S3.19. Hypo Allergenic Soft Padded Ear Cushion for a Snug Comfortable Fit -Compacting design for effective storage. Full Extension Struts give maximum clearance (One Size Fits All)High Quality Durable Outer Construction is ready for abuse! 250 Hour Battery life (High Quality Lithium AA Batteries are Recommended for use and NOT INCLUDED) Titus Since 2009.