The inline volume control unit has a small switch on the side to mute the mic, again with the small but stiff detente. So I ordered size 12. I cannot explain how amazing these shoes are! Thankfully, Amazon rectified this problem for me. Maybe just me. I really like these cotton swabs! All in, however, theyre exceptionally affordable, particularly given how far they punch above their weight, so expect premier tier without being required to take a huge risk financially ??Quick note: to check for a firmware update, download the app entitled 1More Music, and ensure that location functionality is switched on within your phone - the updates, where available, are over the air and take a few minutes. Único punto débil por el que resto una estrella, ya que es un producto caro (30 euros). I havent worn my Birkenstocks of the same style (about a year older) almost since I bought the Cushionnaires. But this is my second pair of Nike Tanjun.