Pro Ears - Pro Tac Plus Gold - Military Grade Electronic Hearing Protection and Amplification - NRR 26 - Ear Muffs - Lithium 123a Batteries WHAT SETS US APART FROM THE REST? For starters, Pro Ears offers the only ear muffs with dual, fully-enclosed military-grade circuitboards with gold connectors. WHY'S THIS IMPORTANT? It allows the incredible ability of independent volume control. Set each ear level separately to best suit your individual hearing needs whether to compensate for hearing loss in one ear or increase situational awareness. PROPRIETARY SOUND TECHNOLOGY: World's only DLSC Technology with Full Spectrum Sound to protect hearing while letting you hear softer sounds. Eliminates "tinny" sound. INDUSTRY-LEADING METRICS: The Pro Tac Plus Series has a Noise Reduction Rating (NRR) of 26 and a lightning fast 1.5ms response time, which greatly enhances your situational awareness while simultaneously protecting your hearing from loud noise. COMFORT & CONVENIENCE: Modularly designed ProForm Leather ear seals and visco-elastic foam padded, easily adjustable headbands enhance comfort while auto-shutoff, low-battery indicator and 3.5mm input jacks provide unmatched functionality. MULTI-PURPOSE PROTECTION: Along with offering ear protection for hunting and shooting, our ear muffs have a wide range of applications including everything from construction and yard work to sports events, concerts, fireworks, travel and so much more. CRAFTSMANSHIP YOU CAN COUNT ON: Unlike others, we've spent the past decade focused on optimizing hearing protection. Pro Ears are reliably made in the USA, sold by a veteran-owned business and backed by an industry-leading 5-year warranty. Military grade dual circuit boards Gold Connectors for high quality audiophile sound Automatic shut off after 4 hours of inactivity Pro Form Leather ultra comfortable ears seals & padded, adjustable headband. Amplifies sound more than 8x normal hearing Weighs only 13.5 ounces Fast attack time of 1.5 milliseconds Includes 2 Lithium 123a batteries & 3.5mm input jacks for i-pod and MP3 players. -Battery life is 250 hours Five (5) Year Warranty Made in the USA