Italian-English translations for cuffia

cap
us
The children were all wearing caps to protect them from the sunHe took the cap off the bottle and splashed himself with some cologneHe had golden caps on his teeth
bonnet
us

earphoneI am asking this because I can see that he is not wearing his earphones. Gliel'ho chiesto poiché ho visto che non aveva la cuffia. I can tell him to take off the earphones now, I am going to proceed in English. Si può togliere la cuffia ora, perché continuerò il mio discorso in inglese.
swim cap