RCA M300 - Manual (Page 23)

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14
Technical Specifications
Memory: 64/128/256/512M/1G (Built
inside)
Battery: 1x AAA battery
LCD: 128x64 pixels, OLED
Signal / noise: >75dB
Earphone output: 5mW + 5mW
Music format: MP3, WMA
Record format: PCM WAV
Note:
This unit may temporarily
cease to function if
subjected to electrostatic
disturbance. To resume to normal
operation, it may be necessary to
switch the power off and on again or
to remove or reinstall the battery.