- Passive: (NRR) 24dB
- Cell/Satellite phone interface
- Auxilliary audio interface for music or audible checklist/warnings
- Mono/stereo capability
- Dual volume control
- Metal-Flex sliding mic boom
- Super-Cushion headband
- Leatherette soft seals
- Weight: 14.5 ounces (406 grams)
- Three year warranty
- Optional Accessories: Sheepskin headpad, soft washable fleece headpad