Dillon's HP1 Electronic Hearing Protector amplifies weak sounds while at the same time blocking out loud, harmful noise. During loud noises, the HP1 maintains a comfortable level of sound transmission - HP1 Hearing Protectors are designed to never completely shut off. The Dillon HP1 Folding Hearing Protector is comfortable to wear for extended periods and folds for easy storage when not in use.
Protection rating NRR 21
External battery Compartment
Uses two AAA batteries per side
Auto shut off extends battery life
Extra-deep,replaceable ear pads
Separate volume controls for each ear
TRUE stereophonic sound
One year warranty