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.
I just called Southwest airlines and was told that they will be allowed to use them on the flight as long as they are connected only to an iPod or MP3. They are not allowed if they are hooked up to a phone. So I will have to use my wired ones, but they can use the bluetooth ones if they choose.