Bought the dual kit. I put "fit as expected" as I read the reviews first, these are short and narrow sandals, but I have semi-wide feet and they still work for me. I havent heard any complaints about the voice quality using the microphone on this. perso je men sers principalement pour la musique,sur ce, je peux dire que la qualité audio est ultime, pour avoir écouté plein de types de musiques, R. Even when it was fully warm it wasnt that warm. 5 and 9 and the 9 fit perfectly. I will recommend Sennheiser CX 180 if mic is not important for you. First the sandal fits small, so if you are at a 1/2 size, go up to the next whole size. Once again, good job Apekx - another good pair of budget headphones. 0 + aptx, which is the fastest delivery method possible.