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.
If you find that the volume level is too low, remove the adapter and plug the headphone cord directly into the 1/8-inch (3.5 mm) output jack. WARNING: Use only the BoseÂ® airline adapter to connect headphone to airplane seat jacks. DO NOT use adapters intended for mobile phones as this could result in personal injury such as burns or property damage due to overheating. Remove and disconnect immediately if you experience warming sensation or loss of audio.