Portable earphone strap

The utility model discloses a portable earphone strap, including center -band and two subbands, center -band and two subbands pass through hollow rivet fixed connection and constitute integral type symmetrical structure, two interstitial holes have been beaten to center -band's intermediate pos...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIAO HUIQING
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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