Features
- Single wind resistant, high frequency, Mic
- 4x Hearing Enhancement
- Power ?50dB
- Volume Control
- Sound activated compression (SAC)
- Noise reducing rating, NRR 24dB
- Power source 2 Alkaline "AAA" batteries included
- NRR 24
Walker's Single Microphone Electronic Ear Muffs Hearing Protection - Black
2 'AAA' Batteries