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