Power Source; Operating Temperature; Water Resistance; File Format - Sony Walkman NWZ-W273 Manual

WALKMAN Help guide
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Important Information
Specifications
Contents list
Specifications
Interface
USB:
Hi-Speed USB (USB 2.0 compliant)
Output (headphones)
Frequency response
20 to 20,000 Hz (when playing data file, single signal measurement)

Power source

Built-in rechargeable lithium-ion battery
USB power (from a computer via a USB Cradle of the player)
Charging Time
USB-based charging
Approx. 1.5 hours
Quick charge
Approx. 3 minutes charge enables up to approx. 60 minutes playback.

Operating temperature

5 °C to 35 °C (41 ºF to 95 ºF)
Mass
Approx. 29 g (1.1 oz)

Water resistance

IPX5/IPX8 (IEC60529) or equivalent

File Format

Audio Formats (Codec)
Media File format: MP3 (MPEG-1 Layer3) file format
File extension: .mp3
MP3
Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR))
Sampling frequency (*2): 32, 44.1, 48 kHz
Media File format: ASF file format
File extension: .wma
WMA (*1)
Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR))
Sampling frequency (*2): 44.1 kHz
Media File format: Wave-Riff file format
File extension: .wav
Linear PCM
Bit rate: 1,411 kbps
Sampling frequency (*2): 44.1 kHz
Media File format: MP4 file format
File extension: .mp4, .m4a, .3gp
AAC (*3)
Bit rate: 16 to 320 kbps (Supports variable bit rate (VBR)) (*4)
Sampling frequency (*2): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz
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