Which model Power Mac? Are you using USB? I can't actually find anything re: your particular Sylvania SMPK 2062 model, on the internet, so it's hard to advise ... I have been able to determine, however, that it is likely a similar device to an iPod?
Do you have any product info other than what you have already provided?
The closest I could come to your model is t
his.
And t
his
I haven't been able to find out if these are compatible with Mac OS, unfortunately.
.