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.
Enjoy clear, noise cancelling headphones, aviation headsets, sports earphones, conversation-enhancing headphones and wireless headphones with world-class performance and comfort. Choose from around-ear, in-ear, wired and wireless products that bring you closer to the music you love.