1771T DNC III Headset

• Active: 16-19dB
• Passive: (NRR) 25dB
• Cell/Satellite phone interface
• Auxilliary audio interface for music or audible checklist/ warnings
• Mono/stereo capability
• Dual volume control
• Custom padded protective case
• 9 volt alkaline battery
• Battery life: 25-35 hrs
• Weight: 11.9 ounces (333 grams)
• Five-year factory warranty
• Made in USA