Pro Ears - Pro 200 - Electronic Hearing Protection and Amplification Exclusive DLSC compression technology allows the user to hear all commands clearly - indoors & outdoors Spring form steel headband for increased compression and rugged construction; compact, foldable design electronic ear muffs Preset at 15 decibels of amplification NRR (Noise Reduction Rating) is 19 Three (3) Year Warranty Made in the USA