nostr:npub1a2s4fd64mxwlgft6hws84plmkwchzv8fxd6xasdxsysywg3c08xq44hk7y or these
https://en.wikipedia.org/wiki/WD_TV
Sometimes 10$ on flea markets. For a place not connected to the Internet the easiest solution. (Just download stuff enoded with a fitting codec, ofc)