Features:

• 22 dB Noise Reduction Rating (NRR)
• Sleek extremely low profile earcup makes this a very versatile earmuff for most shooting environments
• Efficient low-energy consuming with 4-hour shut-off delivering 350 hours of battery life.
• AUX jack connects to MP3 players and scanners.
• Up to 4X amplification makes it easy to hear range commands and conduct conversations while internal circuitry automatically shuts off dangerous impulse noises above 82dB.
• Air Flow Control technology enhances the Noise Reduction Rating.
• Convenient folding headband design for easy storage.