Bose has had good sales success with its A20 noise canceling headset with Bluetooth. In this short video, AVweb conducts a quick tour of the headset's operational features. You can demo them directly at AirVenture 2016 in booth 283.
This is a companion discussion topic for the original entry at https://www.avweb.com/avionics/bose-a20-bluetooth-demo-flight