Check the listing for details. Safariland® Pro Impulse Hearing Protection w/ Case, 33 dB Peak Impulse Reduction. Color: Black/Red, Condition: New. Listed at 19.97 USD. Safariland® Pro Impulse Hearing Protection w/ Lanyard, 33 dB Peak Impulse Reduction. ✔NEW ✔Low Price ✔U.S. Shipping ✔Authorized Dealer SAFARILAND®PRO IMPULSE HEARING PROTECTIONThis unique product offers superior noise-blocking (NRR of 33dB) performance in a reusable, high-end earplug. Its enhanced contoured shape is easy to insert and the proprietary material offers superior long-wearing comfort, delivering solid performance that you can depend on. The patented Impulse Filter Technology, automatically engages to protect hearing but allows normal ambient audio to pass through. Great use for protection against single shot, explosions, automatic rifle fire, artillery, impulse & impact noise.FEATURESHelps guard against hearing damage caused by automatic fire and single gun shots, artillery fire and explosions, reducing them to safe levels, less likely to cause long term damage.Automatically engages to protect hearingStill allows for ambient audioProprietary material for long wear comfortIncludes key chain aluminum transport/storage caseNo batteries requiredTwo sizes of ear inserts included (one pair of filters)