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.
By John Walton. As Apple kills off the 3.5mm headphone jack from the iPhone 7, a significant issue for airlines looms: a sizable proportion of their passenger base will no longer by default have a set of 3.5mm headphones to carry with them for use in the in-seat IFE system.