Video
[The explanation doesn't really help her feel less confused, but she's grateful for someone answering her questions. She still hasn't realized that the video is even on since she does not know what it is. As shown by the fact she moves the screen and instead brings it closer to her mouth, like speaking into the microphone.]
Transceivers must be very advanced them to help make machines so small. Is the video the small red dot on the lens? What does it do?