Due to this high prevalence, vertebral artery hypoplasia (VAH) has not yet been considered an independent risk factor for ischemic stroke [1,2].
How to use your own headphones on Americanâs new 777-300ER. Passengers traveling in First and Business Class on Americanâs new 777-300ER are provided with Bose QuietComfort 15 Acoustic Noise Canceling headphones to use during the flight.
Nov 15, 11 at 3:06pm (PST) ^. Your headphones use a standard 3.5mm connector, you shouldn't have to select or configure anything. Just plug them into your speakers or directly to the audio jack on your computer and sound will be routed to them.