Sony NWZ-A829 Marketing Specifications (Black Model) Operation Manual page 156

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Additional Information
Capacity (User available capacity)*
1
NWZ-A826: 4 GB (Approx. 3.57 GB = 3,840,638,976 bytes)
NWZ-A828: 8 GB (Approx. 7.30 GB = 7,840,956,416 bytes)
NWZ-A829: 16 GB (Approx. 14.7 GB = 15,841,820,672 bytes)
*
Available storage capacity of the player may vary.
1
A portion of the memory is used for data management functions.
Output (headphones)
Frequency response
20 to 20,000 Hz (when playing data file, single signal measurement)
Interface
Headphone: Stereo mini-jack
WM-PORT (multiple connecting terminal): 22 pins
Hi-Speed USB (USB 2.0 compliant)
Operating temperature
5 °C to 35 °C (41 °F to 95 °F)
Power source
 Built-in rechargeable lithium-ion battery
 USB power (from a computer via the supplied USB cable)
Charging time
USB-based charging
Approx. 3 hours (full charge), Approx.1.5 hours (approx. 80 %)
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