| 摘要 |
The invention pertains to a modular inter-unit transmitter/receiver for a portable audio device such as an MP3 player, a handheld device for playback of audio signals, a telephone, etc. More particularly, the unit is configured for an audio player device to enable the player device for wireless transmission and reception of audio signals. In one aspect, a communication means connects the modular audio unit to the audio player device. The device further comprises a switch in which a user of the audio player device can select to play audio signals received from an inter-unit transmitter/receiver or from the audio player device. The switch further enables the user to select whether to play the audio signal on the audio player device or to play the audio signal while transmitting the signal to a compatible device.
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