Sony Walkman NWZ-E343 Operation Manual page 113

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Additional Information
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
The frequency is changed by 0.1 MHz.
IF (FM)
Not applicable
Interface
Headphone: Stereo mini-jack
USB I/F: mini-B
Hi-Speed USB (USB 2.0 compliant)
Operating temperature
5 °C to 35 °C (41 ºF to 95 ºF)
Power source
 Built-in rechargeable lithium-ion battery
 USB power (from a computer via the supplied USB cable)
Charging time
USB-based charging
Approx. 2 hours (full charge), Approx. 45 minutes (approx. 80 %)
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