Clear Voice Tracking Technology seeks voice amongst the noise to improve speech intelligibility and situational awareness. Targeted NRR of 24 dB for passive sound protection. Please check your state and local laws before purchasing this item. 3M/Peltor, Sport Tactical, Earmuff, Black, NRR 24 TAC300-OTH. 3M/Peltor, Sport Tactical, Earmuff, Black, NRR 24. The Sport Tactical 300 features Gunshot Recognition and Suppression Technology that optimizes noise protection based on the firearm being used and the environment in which it’s being used. Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. Thank you for shopping with us. We appreciate your business! Special Notice for Items that Require Signature. Only factory defects are accepted as a reason for a return. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. We do our best to process as quickly as possible. Orders are processed immediately and dispatched to fulfillment as soon as they are received. For this reason, we are typically unable to honor cancellation requests. If the order has gone too far through the fulfillment process, we will be unable to cancel.