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.
While the feature sets of wireless headphones vary widely, for products with a great sound and a comprehensive feature set, check out the Pioneer SE-DIR800C and the Sony MDR-DS6000 RF models. Also, the Sennheiser RS180 has great sound and very reliable customer support.