I dont know what kind of glue is used to attach the two but its a perpetual wet, sticky mess. ???????????????iPhone8???????????AVIOT?TE-D01b????????????????FALCON?????????????????????????TE-D01b???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????3???????????????????????????????????????????????????????(??????TE-D01b????)????????10???????????????????70%??????????(????????80dB??????8???????????dB??????????????????)??????????????????????????????????((??))1???????????????????????????????????????????????????? The only problem is that it you touch the earbud for any reason itll hang-up, or change the song. Love not having to use nails anymore. I wear a womans size 8 and bought the youth size 7. I work 10 to 12hrs on most days and usually kind of on my own. When I first put these on they felt too small, but after a few minutes my feet sank in to the soft foam insoles. I receive compliments when wearing these shoes. the vertical tilt) and rotate the screen between portrait and landscape (not on the fly, but by loosening and fastening a thumbscrew). I dislike the fact that they do nit last beyond a year and a half.