This David Clark Headset model H10-
It has a new wind screen and Gel Ear Seals.
Rugged Reliability and Dependable Performance
Larger, yet lighter, Comfort Gel, undercut ear seals
Reduced headband force
Universal flex boom for perfect microphone placement
Molded cord assembly made to exceptional pull and flex standards
FAA TSO Approved C57b, C58a
Weight (without cord assembly): 16.5 oz.
Certified Noise Reduction Rating -
It has a 2 year parts and labor warranty. This headset will give many years of service.
If you are not completely happy you may return it for a full refund.
Why buy a used headset of unknown quality when you can get this one worry free