Caldwell E-Max Low-Profile Elect Hearing Protect

-True stereo sound for better localization-Low Profile earcups reduce contact with gun stock-Padded adjustable headband-Volume control knob-Power indicator light-Fold compact-23 NRR-Two microphones in the E-Max®amplify sounds below 85 decibels-Above 85 decibels, the microphones shut off for a split second to protect the shooter's hearing-Runs on hold2 AA batteries each (not included)