3M Peltor

-Grey/Black-NRR 21 dB-Ideal for both indoor & outdoor shooters & hunters-Suppresses gunshot noise to protect hearing while amplifying voices for clear communication-Low profile cup design proven to work with shotguns & rifles-Re-engineered headband for improved fit & comfort-4-hour auto shut-off-Easy-access battery door with tether (Runs on 2 AAA batteries)-3.5 mm audio input jack compatible with most MP3 players & 2-way radios-Durable recessed microphones