Altis Law Group, Inc.
Earphone
An earphone with adjustable impedance is provided. The earphone mainly includes an earphone body, a communication line, an earphone plug, an alter switch and an adjustable impedance unit used for adjusting an impedance of the earphone. The adjustable impedance unit is connected between the earphone plug and the earphone body through the alter switch. The impedance of the earphone can be matched on the output impedance of the media player by adjusting the impedance of the adjustable impedance unit when an earphone is connected with a media player.
Hon Hai Precision Industry Co., Ltd. Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
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H04M H04M H04R H04R
inventional additional additional inventional
Tsung-Jen Wen-Wu Shih-Fang
Chuang Wang Wong