Qantas use to refer to Bluetooth on thier in flight communications page but that part seems to have been taken out.
https://www.qantas.com/au/en/qantas-...unication.html
However this page indicates ok for 737 at all times:
https://www.qantas.com/travel/airlin...ired/global/en
- Hearing aids/devices that use Bluetooth can be used at all times onboard Airbus 330, Airbus 380, Boeing 787, Boeing 737 and QantasLink aircraft.
- On Boeing 747 aircraft, hearing aids/devices that use Bluetooth must be switched off during taxi, takeoff and landing....