earpiece

US /ˈɪr.piːs/
UK /ˈɪr.piːs/
"earpiece" picture
1.

fone de ouvido, auricular

a small device that fits into or onto the ear, used for listening to a radio or telephone or for helping people who have difficulty hearing

:
The security guard wore an earpiece to communicate with his team.
O segurança usava um fone de ouvido para se comunicar com sua equipe.
She adjusted the earpiece of her headphones.
Ela ajustou o fone de ouvido de seus fones de ouvido.