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1. A multifunction earpiece device for receiving a sound signal generated from one of a plurality of electronic devices and transmitting at least one of data and power between the electronic devices, the multifunction earpiece device comprising:
a casing having a receiving space therein and a plurality of holes; a speaker unit having a plurality of sound lines and a plurality of speaker singles, the sound lines each having an end inserted from one of the holes into the receiving space and exiting another one of the holes to connect to the electronic devices for receiving the sound signal, the sound lines each having another end connected to a corresponding one of the speaker singles, the speaker singles converting the sound signal into a sound; a plurality of connectors disposed in the receiving space and protruding from the receiving space through the holes to connect to the electronic devices; and a switching module having a plurality of path configurations, disposed in the receiving space, connected to the connectors, and adapted to change a direction of transmission of the data and the power between the electronic devices by the path configurations.
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