ICD-UX570 MODELS. What is the difference between (1) MP3LPCM and (2) BLK

[Scrabster]

ICD-UX570 MODELS. Wat is difference between (1) MP3LPCM and (2) BLK?

[Marino.Manolo]

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MP3/ LPCM are the Recording Format
BLK I thin Is the color: Black