Une bonne idée mais autour de 800 euros
Lightspeed Link is not Bluetooth or WiFi, but incorporates existing technologies chosen for both signal reliability and audio quality for the aviation environment.
https://www.sportys.com/pilotshop/pirep/lightspeed-tango-wireless-headset-first-impressions/
https://www.sportys.com/pilotshop/lightspeed-tango-wireless-headset.html
[youtube https://www.youtube.com/watch?v=2FujKEbrMvQ&w=560&h=315]