Bose was showing the second generation of the in-ear aviation headset for jets at the 2019 NBAA convention in Las Vegas. AVweb contributor and Aviation Consumer magazine Editor-in-Chief Larry Anglisano shot this overview video at the Bose booth.
This is a companion discussion topic for the original entry at https://www.avweb.com/air-shows-events/nbaa/bose-proflight-series-2-in-ear-headset