| 摘要 |
A mobile phone device allows modification of utilization functions through selective assembling performed by a user. The mobile phone device includes a mobile phone and at least one keyboard. The mobile phone and the keyboard can be selectively assembled together to allow for operation of the mobile phone with the keyboard or separated from each other to allow the mobile phone to be operated in the same way as it was. The keyboard is provided with at least one pushbutton/key arrangement to allow for selection and use of the keyboard according to a desired operation so that versatility and use of the mobile phone can be realized.
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