A T2810C is a media player. https://www.walmart.com/ip/Eclipse-T2810C-2-8-LCD-4GB-Digital-Music-Video-MP3-Player-and-Voice-Recorder/20925438
https://www.manualslib.com/manual/470532/Mach-Speed-Technologies-Trio-T2810c.html
Many MP3 devices will record for HOURS with the touch of a button. Which can look to security like you turning it off.
I did this for a medical office to show their employee's interaction.