The Sony HMD1GL Walkman Hi-MD MiniDisc (Jewel Case) is a recordable audio disk that can be recorded over a million times. The disc has 1.0GB of storage capacity and is compatible with Hi-MD recorders for 45 hours of music or storage.
Recordable audio discs
1.0GB of storage capacity
Compatible with Hi-MD recorders for 45 hours of music storage
Hi-MD discs can also be used to store documents, PC files, and images