A reel audio recorder. The subtitle reads, "Transmission 11, received '68, December 30, 05:00 hours, Sector King, Zulu, King." A second voice on the recording says, "But we must kill them. We must incinerate them."
https://xoxo-media.sfo2.cdn.digitaloceanspaces.com/media_attachments/files/111/670/615/168/444/735/original/455d60dadc437fcc.jpeg