Pro Ears Pro Tac 300 Behind The Head Electronic Hearing Protection, Green. PROPRIETARY SOUND TECHNOLOGY: Dual military grade circuit boards allow for independent volume control for each ear; Exclusive DLSC Compression Technology for improved situational awareness preset at 15 dB. COMFORTABLE ALL-DAY WEAR: Pro Form Leather ultra-comfortable viscoelastic ears seals. LONG BATTERY LIFE: Battery life up to 250 hours with normal use; Includes 4 N batteries. Pro Ears Pro Tac 300 Hearing Protectors 26 dB Behind The Head Green PT300GBHH. These Protective Ear Muffs from Pro Ears have a circuit board preset at 15 decibels of amplification that reduces high frequency filtering which may benefit those with. The Product(s) in This Listing is Brand New in Original Retail Package. A credit/replacement shall be given only after the claim is accepted and approved within its processing time frame. There is no price protection. Malfunction due to accidents or abuse of product such as water, drop impact damage not covered. Please allow up to 72 Hours for your order to be processed, this does not include the weekend. Images shown for illustration purpose only. Actual item may slightly different from image.