Dustproof earphone

The utility model provides a dustproof earphone, including loudspeaker, face lid and magnet, wherein, the face lid sets up the sound production side of loudspeaker, magnet is fixed the orientation of face lid loudspeaker one side on the surface. Since set up the magnet of magnetize barrier action in...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIAO CHAOHONG
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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