MP3 128kbps : bit rate: 128kbps，format: MP3
MP3 96kbps : bit rate: 96kbps，format: MP3
MP3 64kbps : bit rate: 64kbps，format: MP3
MP3 32kbps : bit rate: 32kbps，format: MP3
Operating conditions
Temperature: 5°–45°C
Humidity: 10% – 90%, no condensation
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