Caldwell Low Profile E-Max Electronic Ear Muffs


• 21 NRR (Noise Reduction Rating)
• Electronic hearing protection with low profile design and audio jack for input from phone or MP3 player
• When sound above 85 decibels is detected microphones instantly shut off to protect hearing
• 2 microphones; one in each ear cup for true stereo sound
• Runs on 2 AAA batteries (not included)