Originally Posted by
garethmorgan
Putting to one side its usefullness or not; doesn't this require you to put a switched on Bluetooth device in your bag and doesn't that infringe all the regulations on electronic devices during flights?
That was one of my first thoughts when I was reading the post. The other is that I have no idea what kind of battery life Bluetooth speakers have, but unless it is fairly long, it wouldn't be useful for long trips.