CALDWELL E-MAX LOW PROFILE ELECTRONIC STEREO HEARING PROTECTION
- 23 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)
