It is sturdy and holds all sizes of glasses. Die Lautstärkebegrenzung auf 74 DB war uns sehr wichtig, da eines der Zytostatika auf das Gehör geht und man laute Geräusche vermeiden soll. The sound quality on these earbuds is quite good, both the headphones and the microphone. It didnt make me sweat as anticipated. I received this phone and wrote One review I had to take the telephone to a battery shop and have a new battery put in that cost me $26 because the original battery was bloated and broken. The still dont block as much sound as Id like while on my lawn tractor, but are definitely better than regular ear buds. I am training for my second triathlon, which is an Ironman 70. These shoes are comfy! 3 of the buttons are reachable and laid out halfway intelligently, but the Y button is placed in a spot where you have to awkwardly twist your wrist to press it. I like the look of the watch and the metal band.