
Output (headphones)
Frequency response
20 to 20,000 Hz (when playing data file, single signal measurement)
FM radio
FM Frequency range 87.5 to 108.0 MHz
IF (FM)
128 kHz
Antenna
Headphone cord antenna
Interface
Headphone: Stereo
USB I/F:
Operating temperature
5 °C to 35 °C (41 ºF to 95 ºF)
Power source
USB power (from a computer via a USB connector of the player)
Charging time
Approx. 3 hours (full charge), Approx. 1.5 hours (approx. 80 %)
Battery life (continuous playback)
Actual battery life may vary depending on settings. The estimated battery usage hours shown below are based on typical usage conditions with “Basic setting of battery life measurement” as shown in the table below.
Note
Even if the player is turned off for an extended period, a small amount of battery power is still consumed.
Battery life may vary depending on volume setting, conditions of use, and ambient temperature.
Music
Playback at MP3 128 kbps | Approx. 50 hours |
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Playback at WMA 128 kbps | Approx. 50 hours |
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Playback at | Approx. 48 hours |
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Playback at Linear PCM 1,411 kbps | Approx. 56 hours |
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Video |
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Playback at WMV 384 kbps | Approx. 10 hours |
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FM radio |
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Receiving FM broadcasting
Approx. 20 hours
Player settings which affect battery life
231