Radians Inc. 430EHP4UCS: Featuring the popular Realtree AP camouflage design, the Radians Electronic earmuffs don\'t just look good, they work great also. With a 27-decibel noise reduction rating, these electronic earmuffs protect your ears from potentially harmful loud noises and can amplify low background sounds. Whether you\'re practicing your aim or out hunting, these electronic earmuffs are a great choice.