In 2008, product specifications and pricing were readjusted based on market needs. The functionality has been modified to ensure reliability and suitability for everyday use.
NW-E023F
The NW-E023F is a Network Walkman with an FM tuner part of the 9th generation E series. It has 1GB of built-in flash memory and supports MP3, WMA, and AAC audio playback. It supports a detachable Style-Up panel and is configured to be powered by direct connection via a USB terminal and a lithium-ion battery.
NW-E025F
The NW-E025F is a mid-capacity Network Walkman with an FM tuner, part of the 9th generation E series. It has 2GB of built-in flash memory and supports MP3, WMA, and AAC audio playback. It supports a detachable Style-Up panel and is configured to be powered by direct connection via a USB terminal and a lithium-ion battery.
NW-E026F
The NW-E026F is a high-capacity Network Walkman with an FM tuner, part of the 9th generation E series. It has 4GB of built-in flash memory and supports MP3, WMA, and AAC audio playback. It supports a detachable Style-Up panel and is configured to be powered by direct connection via a USB terminal and a lithium-ion battery.
NW-S636F
The NW-S636F is a Network Walkman part of the 6th generation S series. It has 4GB of built-in flash memory and supports audio playback in MP3, WMA, AAC, and WAV formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S636FK
The NW-S636FK is a Network Walkman with a built-in speaker part of the 6th generation S series. It has 4GB of built-in flash memory and supports audio playback in MP3, WMA, AAC, and WAV formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S638F
The NW-S638F is a high-capacity Network Walkman part of the 6th generation S series. It has 8GB of built-in flash memory and supports audio playback in MP3, WMA, AAC, and WAV formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S638FK
The NW-S638FK is a Network Walkman with a built-in speaker part of the 6th generation S series. It has 8GB of built-in flash memory and supports audio playback in MP3, WMA, AAC, and WAV formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S639F
The NW-S639F is the largest capacity Network Walkman part of the 6th generation S series. It features 16GB of built-in flash memory and supports audio playback in MP3, WMA, AAC, and WAV formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S736F
The NW-S736F is a Network Walkman with noise-canceling functionality part of the 6th generation S series. It has 4GB of built-in flash memory and supports audio playback in MP3, WMA, AAC, and WAV formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S738F
The NW-S738F is a high-capacity, noise-canceling Network Walkman part of the 6th generation S series. It has 8GB of built-in flash memory and supports audio playback in MP3, WMA, AAC, and WAV formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S739F
The NW-S739F is the largest capacity noise-canceling Network Walkman part of the 6th generation S series. It features 16GB of built-in flash memory and supports MP3, WMA, AAC, and WAV audio playback formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-S739F/ST
The NW-S739F/ST is a color variation model part of the 6th generation S series. It features 16GB of built-in flash memory and supports MP3, WMA, AAC, and WAV audio playback formats. It has a 240x320 LCD display and is powered by a lithium-ion battery.
NW-A828
The NW-A828 is a Network Walkman with flash memory part of the 4th generation A series. It has 8GB of built-in flash memory and supports audio playback in ATRAC, MP3, WMA, and AAC formats. The LCD display supports improved color reproduction and supports video and photo playback. It is equipped with Bluetooth, noise cancellation, and Clear Audio Technology, and is powered by a lithium-ion battery.
NW-A829
The NW-A829 is a Network Walkman with flash memory part of the 4th generation A series. It has 16GB of built-in flash memory and supports audio playback in ATRAC, MP3, WMA, and AAC formats. The LCD display supports improved color reproduction and supports video and photo playback. It is equipped with Bluetooth, noise cancellation, and Clear Audio Technology, and is powered by a lithium-ion battery.
NW-A829/N
The NW-A829/N is a special edition 16GB model part of the 4th generation A series. It features 16GB of built-in flash memory and supports audio playback in ATRAC, MP3, WMA, and AAC formats. The LCD display supports improved color reproduction and supports video and photo playback. It is equipped with Bluetooth, noise cancellation, and Clear Audio Technology, and is powered by a lithium-ion battery. It has a self-contained configuration with built-in flash memory, eliminating the need for external media.
In 2008, the product was redefined to have a structure suitable for limited applications. This structure was subsequently applied to next-generation products.