Great at protecting your Ears from loud noises like the report of a Rifle or the whirrrr of a power saw. Also does a great job of protecting your ass because you can hear a voice say Duck! Cease-Fire! or even Shhh I think someone is coming. Low profile allows you to wear a Hard Hat, Kevlar Helmet, Bump Hat, or Boonie. Individual Ear volume tuning 3M™ Peltor™ Soundtrap™ Tactical 6-S Headset is designed to perceive and localize weak sounds while offering hearing protection in high-noise environments. It is also small, compact and foldable for ease and convenience. 3M™ Peltor™ Soundtrap™ Tactical 6-S Headset is a lightweight, tactical, electronic earmuff headset that attenuates high-level noise. The 3M™ Peltor™ Soundtrap™ Tactical 6-S Headset effectively amplifies weak sounds and easily folds into a small package, properly sized in a pocket or bag during transportation. Battery Life - Approx. 200 hours 4 x AAA batteries not included Communication Direction - Listen-only Communication Type - Ambient Listening ANSI S3.19-1974