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.
Most Comfortable Headphones: Sennheiser HD598. The Sennheiser HD598 are easily our favorite and most comfortable headphones. They are sleek, lightweight, and soft. Their large over-ear design means the earcups fit over virtually anyoneâs ears. And the super soft velour earpads never stick to your head.