Sony MZ-S1 Operating Instructions Manual page 11

Checking the supplied accessories
Supplied accessories
AC power adaptor (1)
Headphones/earphones ( 1)
Dedicated USI3 cable (1)
CD-ROM (SonicStage Vet. 1.5) (1)*
Hand strap (1)
Blank Minidisc (1)
* Do not play a CD-ROM on an audio CD player.
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