Helicopter pilot headphones

1. Helicopter Use U174/U Plug

2. Super Soft Double Foam Head Pad

3. Noise-canceling electret Microphone

4. Strong Flexible Steel Boom for perfect microphone placement

5. Easy-to-wear super soft silicone gel ear seals

6. Headband Size Adjustment

7. Coiled cord from headset to molded plug, 70CM

8. Assembled strictly following the FAA TSO standards

9. Noise Reduction Ratings (NRR):24dB