earpiece

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

auricolare, cuffietta

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.
La guardia di sicurezza indossava un auricolare per comunicare con la sua squadra.
She adjusted the earpiece of her headphones.
Ha regolato l'auricolare delle sue cuffie.