| 摘要 |
PURPOSE: MP3 player is provided to enable a mobile phone to be charged using a mobile phone charging module by converting the direct current of the battery of an MP3 player. CONSTITUTION: An MP3 Player(50) comprises a body(51), a mobile phone charging module, and a mobile phone charging circuit unit. The body comprises a mobile telephone connection terminal(52). The mobile phone charging module charges a mobile phone(60). The mobile phone charging module uses the DC power supply of a battery which is arranged in the body. The mobile phone charging circuit unit converts the DC power supply of the battery between the battery and the mobile telephone connection terminal. The mobile telephone connection terminal is connected to the I/O interface(61) of the mobile phone. The mobile phone connection terminal has a plug shape which can be coupled to a charging jack.
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