WALKMAN User Guide
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## Specifications

#### Supported file format

Music (including podcasts (*1))
Audio Formats (Codec) | MP3 | Media File format: MP3 (MPEG-1 Layer3) file format File extension: .mp3 Bit rate: 32 to 320 kbps (Supports variable bit rate (VBR)) Sampling frequency (*2): 32, 44.1, 48 kHz
WMA | Media File format: ASF file format File extension: .wma Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR)) Sampling frequency (*2): 44.1 kHz * Compatible with WM-DRM 10
AAC-LC (*3) | Media File format: MP4 file format File extension: .mp4, .m4a, .3gp 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
Linear PCM | Media File format: Wave-Riff file format File extension: .wav Bit rate: 1,411 kbps Sampling frequency (*2): 44.1 kHz
Video (including podcasts (*1))
Video Formats (Codec) |  | Frame rate: Max. 30 fps Resolution: Max. 720 × 480 (*5)
Windows Media Video 9 (*6) | Media File format: ASF file format File extension: .wmv Profile: VC1 simple profile, main profile Bit rate: Max. 6 Mbps
Audio Formats (Codec) | WMA (for Windows Media Video 9) | Bit rate: 32 to 192 kbps (Supports variable bit rate (VBR)) Sampling frequency (*2): 44.1 kHz * Compatible with WM-DRM 10
File size |  | Max. 4 GB
The number of files |  | Max. 2,000
Photo (*7)
Photo Format (Codec) | JPEG | Media File format: Compatible with DCF 2.0/Exif 2.21 file format File extension: .jpg Profile: Baseline Profile Number of pixels: Max. 4,096 × 4,096 pixels (16,000,000 pixels)
The number of files |  | Max. 20,000

(*1) The maximum recordable number of podcasts is 20,000.
(*2) Sampling frequency may not correspond to all encoders.
(*3) Copyright protected AAC-LC files cannot be played back.
(*4) Non-standard bit rates or non-guaranteed bit rates are included depending on the sampling frequency.
(*5) These numbers indicate the maximum resolution of playable video, and do not indicate the player’s display resolution. The display resolution is 320 × 240.
(*6) Some WMV files can be played back only by transferring using Windows Media Player.
(*7) Some photo files cannot be played back, depending on their file formats.

#### Maximum recordable number of songs and time (Approx.)

The approximate times are based on the case in which you transfer or record only 4 minute songs (not including videos and photos) in the MP3 format. Other playable audio file format song numbers and times may differ from MP3 format.

| NWZ-E353 | NWZ-E354 | NWZ-E355
Bit rate | Number | Time | Number | Time | Number | Time
48 kbps | 2,350 | 156 hr. 40 min. | 4,950 | 330 hr. 00 min. | 10,000 | 666 hr. 40 min.
64 kbps | 1,750 | 116 hr. 40 min. | 3,650 | 243 hr. 20 min. | 7,450 | 496 hr. 40 min.
128 kbps | 880 | 58 hr. 40 min. | 1,800 | 120 hr. 00 min. | 3,700 | 246 hr. 40 min.
256 kbps | 440 | 29 hr. 20 min. | 925 | 61 hr. 40 min. | 1,850 | 123 hr. 20 min.
320 kbps | 355 | 23 hr. 40 min. | 740 | 49 hr. 20 min. | 1,500 | 100 hr. 00 min.

#### Maximum recordable time of videos (Approx.)

The approximate recordable times are estimated in the case where only videos are transferred. The time may differ, depending on the conditions under which the player is used.

| NWZ-E353 | NWZ-E354 | NWZ-E355
Bit rate | Time | Time | Time
Video Format: 384 kbps Audio Format: 128 kbps | 14 hr. 00 min. | 29 hr. 20 min. | 59 hr. 40 min.
Video Format: 768 kbps Audio Format: 128 kbps | 8 hr. 00 min. | 16 hr. 40 min. | 34 hr. 00 min.

#### Maximum recordable number of photos that can be transferred (Approx.)

Max. 20,000
Recordable number of photos may be less depending on file sizes.

#### Maximum recordable number of playlists

Maximum transferrable number of playlists: 8,192
Maximum containable number of songs in each playlist: 999

#### Capacity (User available capacity) (*1)

NWZ-E353: 4 GB (Approx. 3.35 GB = 3,602,874,368 bytes)
NWZ-E354: 8 GB (Approx. 6.99 GB = 7,513,210,880 bytes)
NWZ-E355: 16 GB (Approx. 14.1 GB = 15,224,635,392 bytes)
(*1) Available storage capacity of the player may vary.
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)

#### FM radio

FM Frequency range
87.5 to 108.0 MHz

#### IF (FM)

128 kHz

#### Antenna

Headphone cord antenna

#### 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 a USB connector of the player)

#### Charging time

USB-based charging
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
Playback at WMA 128 kbps | Approx. 50 hours
Playback at AAC-LC 128 kbps | Approx. 48 hours
Playback at Linear PCM 1,411 kbps | Approx. 56 hours
Video
Playback at WMV 384 kbps | Approx. 10 hours
FM radio
Receiving FM broadcasting | Approx. 20 hours

#### Player settings which affect battery life

| Setting | Basic setting of battery life measurement (Default setting)
[Common settings] | [Screensaver]:[On/Off] (*1) [Details] | [On]
[Screensaver]:[Delay] (*2) [Details] | [30 Sec]
[Brightness] (*3) [Details] | [3]
[Battery Care] (*4) [Details] | [Off]
[Music settings] | [Equalizer] (*5) [Details] | [None] (*6)
[VPT(Surround)] (*5) [Details] | [None]
[DSEE(Sound Enhance)] (*5) [Details] | [Off]
[Clear Stereo] (*5) [Details] | [Off]
[Dynamic Normalizer] (*5) [Details] | [Off]
[DPC (Speed Control)] (*7) [Details] | [Off]
[Display Lyrics] (*8) [Details] | [On]
[Karaoke/Language Study] (*9) [Details] | [Off]

(*1) The [Off] setting shortens the battery life for continuous music playback by about 85% compared with the [On] setting.
(*2) The longer the waiting time, the shorter the battery life for continuous music playback.
(*3) The [5] setting shortens the battery life for continuous video playback by about 45% compared with the [3] setting.
(*4) The [On] setting shortens the battery life by about 10% compared with the [Off] setting.
(*5) Setting [Equalizer] to other than [None], [VPT(Surround)] to other than [None], [DSEE(Sound Enhance)] to [On], [Clear Stereo] to [On] and [Dynamic Normalizer] to [On] shortens the battery life for continuous music playback by about 55% compared with setting them to [None] or [Off].
(*6) The default setting of players sold in the Latin America region is [Custom 1]. The [Custom 1] setting shortens the battery life for continuous music playback by about 20% compared with the [None] setting.
(*7) The [x2.0] setting shortens the battery life for continuous music playback by about 70% compared with the [Off] setting.
(*8) The [On (No Screen Off)] setting shortens the battery life for continuous music playback by about 85% compared with the [On] setting.
(*9) The [Maximum Karaoke Mode] setting shortens the battery life for continuous music playback by about 90% compared with the [Off] setting.

#### Display

2-inch, TFT color display with white LED-backlight, QVGA (240 × 320 pixels), 262,144 colors

#### Dimensions (w/h/d, projecting parts not included)

44 × 94.7 × 9.7 mm (1 3/4 × 3 3/4 × 13/32 inches)

#### Dimensions (w/h/d)

44.1 × 95.2 × 10.4 mm (1 3/4 × 3 3/4 × 7/16 inches)

#### Mass

Approx. 58 g (2.1 oz)
Design and specifications are subject to change without notice.
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