Portable retractable type earphone

The utility model relates to an earphone, and particularly relates to a portable retractable type earphone. The portable retractable type earphone comprises an earphone and a connecting wire, and is characterized in that the tail end of the connecting wire is provided with a snail shell shaped snail...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	DENG YIREN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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