| 摘要 |
A portable communication device which has a built-in microphone and a speaker is provided for releasable connection to a multimedia player, for wirelessly transmitting playback signals that are receive from the multimedia player to an external multimedia receiver for playback thereon. The device can also wirelessly communicate with a wireless phone such that a user can make hands-free phone calls through the wireless phone with the use of the microphone and the speaker of the device.
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