Jrd Communication (shenzhen) Ltd.

Jrd Communication Inc.

Wenfei Wu

Xiulu Jin

Zhihua Wu

Linfang Li

Siqin Feng

An external speaker assembly and an audio apparatus are disclosed. The external speaker assembly comprises a housing, a speaker unit and a driving circuit; the external speaker assembly is detachably connected to an audio device; when the external speaker assembly is connected to the audio device, a sealed cavity is formed by the housing and a rear cover of the audio device; the speaker unit and the driving circuit are received in the sealed cavity; the driving circuit is configured to connect to the audio device, and receive an audio signal from the audio device to drive the speaker unit to produce sounds.

External speaker assembly and audio apparatus

A mobile terminal that sends out sound via a multifunctional battery cover and a method thereof. The mobile terminal includes a processing module that identifies a battery cover including a piezoelectric ceramic speaker based on an ID signal output by the battery cover and outputs an audio signal to the piezoelectric ceramic speaker.

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Guangdong, China

Wenfei Wu