This means they change and develop at a significantly decreased rate, and according to the best scientific knowledge as of Oct 2018, are not nearly as negatively affected by moderate doses of cannabis as individuated aged 0-25. I loved them so much I wanted a pair even though it looks like it would be for a guy. MY. I did use them in the middle of the night a few times, paired with a powerful headlamp, and they sufficed. Its loud enough even at lower speeds that I just dont want these on the car if Im not using them to carry something. I found that the ANC on the Ankers is actually not that far behind the Bose (and definitely better than TT). Currently listening to Periphery on my iPhone over bluetooth and also connected to my Pixel (work phone). Pustekuchen. These were a good size and application was easy however, by the middle of the day, they were sliding out of place. Product was huge and very overbuilt but if you need one thats very heavy its great and would hold up a VW bug !