What is the device in this photo?
The device is a computer mouse.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    6
2     0  to the right of    1
3     0  to the right of    4
4     1   to the left of    2
5     1   to the left of    0
6     1   to the left of    6
7     2  to the right of    6
8     2  to the right of    1
9     3  to the right of   11
10    4   to the left of    0
11    4  to the right of   11
12    5  to the right of   11
13    6  to the right of    1
14    6   to the left of    2
15    6  to the right of    7
16    6   to the left of    0
17    7   to the left of    6
18    8  to the right of   11
19    8   to the left of    0
20    9  to the right of   11
21   11   to the left of    8
22   11   to the left of    3
23   11   to the left of    5
24   11   to the left of    9
25   11   to the left of   12
26   11   to the left of    4
27   12  to the right of   11