I feared the size headphones. eyeglass wearer, I look great headphones that do not crush the head (and therefore the arms of the glasses). But they are large enough, the headband and foam headphones are very flexible, giving notifiable comfort. The oblong shape of the headphones includes both ears. The sound is good and the microphone, which even away from the mouth, works well. The lining of the leatherette ear takes a little hot, but it will be better this winter.
Ozone brand seems to create good product at reduced prices from the various essays and articles that can be found on the web (digital, Cowcotland ...)