This David Clark Headset model H10-
It also has the latest BluLink technology built in so you can listen to stereo music or make a call on your cell phone.
Enables you to use your Bluetooth cell phone and any music source wirelessly in the cockpit.
You can link your ForeFlight on your iPad or Garmin or any Bluetooth navigation device.
No more tucking your cell phone under your headset or using cell phone adapters with various cords and additional adapters.
Great for filing a flight plan, checking weather, calling for fuel, getting a clearance at an uncontrolled field, calling for a taxi. Primary communications for experimental and ultralight pilots.
15 to 20 hours talk or listen time on 2 AA batteries. (Included)
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!