/ ˈɪəset; NAmE ˈɪrset/ noun
a piece of equipment that fits into your ear and has a microphone attached to it. It is connected to a telephone and allows you to use the telephone without using your hands.
/ ˈɪəset; NAmE ˈɪrset/ noun
a piece of equipment that fits into your ear and has a microphone attached to it. It is connected to a telephone and allows you to use the telephone without using your hands.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005