ALL within the first 48 hours of getting them in the mail. Im pretty disappointed after initially being so enthusiastic. the adapter would probably be too big in many cases. The quality of the speaker is not what I would expect to receive from a brand name like Sony. I have smaller ankles, so the straps around the back are a little loose, you can see in the picture, but it is nothing that cant be fixed by tying the strings backward and not so much that it will flop or cause irritation when I walk. Leichter Schuh mit fester stabiler Sohle. I think the best way to get a sense if these are for you is to try out a pair of Grados. Otherwise, I do you love them and I use them all the time. The best slippers Ive had in decades! Needed something to protect our Astro A40s.