| 摘要 |
A wireless mouse includes a base having a top surface defining a button region and a non-button region, and a top cover including a cover body and a groove defining member. The cover body separably covers the top surface of the base, and has a pressing portion corresponding to the button region, and a non-pressing portion corresponding to the non-button region. The non-pressing portion has a non-pressing inner surface facing the non-button region of the top surface. The groove defining member is integrally formed on the non-pressing inner surface, is disposed between the cover body and the top surface, and cooperates with the cover body to define a positioning groove adapted to position the wireless receiver on the top cover.
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