WarBird Intrepid-Electronic 23dB Earmuffs Gray. The Intrepid set the standard for protection and performance. Specifications for WarBird Intrepid-Electronic 23dB Earmuffs: Manufacturer: WarBird Color: Gray NRR: 23 dB Quantity: 1 Features of WarBird Intrepid-Electronic 23dB Earmuffs Two Omnidirectional Microphones Full Dynamic Range HD Speakers for Clear Balanced Sound (40mm 20 ohm) High-Definition Sound Effects Low Frequency Tuned for Natural Sound Clarity Sound Dampening Composite Housing Sound Active Compression- 0.01 Second Reaction Time HiFi Audio Input Jack- 3.5mm Positive Response Power Volume and Select Buttons Comfortable Foam Ear Cushions Comfort Headband with Metal Frame Uses Three (3) AAA Batteries Included Variable Amplification- Toggle Between Both Ears Left Ear or Right Ear Only Package Contents: WarBird Intrepid-Electronic 23dB Earmuffs (3) AAA Batteries WarBird EAIN: Intrepid-Electronic 23dB Earmuffs Gray