MOUSE DEVICE

A mouse device includes a mouse body, a stylus, and a power module. A long and narrow accommodating space is disposed at one side of the mouse body, and the long and narrow accommodating space has a first length. The stylus is detachably accommodated in the long and narrow accommodating space. When the stylus is accommodated in the long and narrow accommodating space, the stylus has a second length. When the stylus is detached from the mouse body, the stylus has a third length. The third length is longer than the second length and the first length. When the stylus is accommodated in the long and narrow accommodating space, a charging area of the stylus is electrically connected to the power module to charge the stylus.