It HAS ZERO ADJUSTMENT TO IT comes with only one Velcro spot for the band and the sides dont adjust like most do. I have not tried on the mask to see true fit as yet. gionien hob instructions Como siempre Teva no defrauda. This is well made and very sturdy. gionien hob instructions They are very comfortable, other earbuds just fell off while working out, this ones are comfortable and they stay on the entire time. gionien hob instructions THIS WAS THE SECOND SPEAKER I BOUGHT . I gave my first pair away to my mother who also has flat feet. Just do this instead of the cheap, cheap options. gionien hob instructions What surprised me the most was that they wore down a lot faster that anticipated. At first, I loved them - especially how they looked but they started hurting me on the side of the head.
gionien hob instructions