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.
Beats Executive headphones are designed to take you from boardroom to the tarmac and everywhere in between. These over-ear headphones deliver the legendary Beats sound in a refined premium package that's easier than ever to take on the road.