1. Passive Helicopter Headset with Single pin connector
2. Helicopter Use U174/U Plug
3. Super Soft Double Foam Head Pad
4. Noise-canceling electret Microphone
5. Strong Steel Boom for perfect microphone placement
6. Easy-to-wear super soft silicone gel ear seals
7. Headband Size Adjustment
8. Coiled cord from headset to molded plug, 70CM
9. Assembled strictly following the FAA TSO standards
10. Color: Black, green
11. Noise Reduction Ratings (NRR):24dB
2. Helicopter Use U174/U Plug
3. Super Soft Double Foam Head Pad
4. Noise-canceling electret Microphone
5. Strong Steel Boom for perfect microphone placement
6. Easy-to-wear super soft silicone gel ear seals
7. Headband Size Adjustment
8. Coiled cord from headset to molded plug, 70CM
9. Assembled strictly following the FAA TSO standards
10. Color: Black, green
11. Noise Reduction Ratings (NRR):24dB