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.
Wireless headphones are great for sports and outdoor uses, since they don't require you to connect to a music player using wires. Instead, wireless technology connects the headphones to your music player, giving you freer movement and fewer tangles.