Mini Discs are smaller versions of actual regular compact discs.
They are one quarter the size and about 2.5 inches large. These small wonders are recordable, durable, and shock-resistant. Premastered MiniDisc for music software and recordable minidiscs. The Premastered discs are used for music and are sold just about everywhere compact discs and cassettes are sold. Recordable discs were designed for better recordings by making the recordings custom made.