Answer: earphone

AnswerCrossword Clue
EARPHONE

Headset half

EARPHONE

Listening device

EARPHONE

Headset part

EARPHONE
Secret Service agent's accessory, at times
EARPHONE
Transistor-radio accessory
EARPHONECell accessory
EARPHONEAudio accessory
EARPHONEReceiver in a headset.
EARPHONEPocket-radio device
EARPHONEAnnouncer's aid
EARPHONEMP3 player attachment
EARPHONEWalkman plug-in
EARPHONEWalkman part
EARPHONEHeadset piece
EARPHONEKind of jack
EARPHONEBit of Secret Service gear