MiniDisc; MD
Refers to the magneto-optical disc format introduced by Sony, commonly used for audio recording in the 1990s and early 2000s.
He still listens to music on MiniDisc.
MiniDiscs are smaller than CDs and can also be recorded on.
I recorded my favorite songs onto a MiniDisc.
I used to listen to music on MiniDiscs a lot back then.
From English 'MiniDisc', a trademarked format name.