In 2005, PC synchronization and music management functions were integrated. The product was designed as an integrated structure of hardware and software.
NW-HD5
The NW-HD5 is a second-generation Network Walkman equipped with a hard disk drive. It features a 20GB HDD and supports audio playback in ATRAC, ATRAC3, ATRAC3plus, and MP3 formats. It has an LCD display, a long battery life thanks to its lithium-ion battery, and USB connectivity.
NW-HD5H
The NW-HD5H is a high-capacity model part of the second generation of hard disk Walkmans. It features a 30GB HDD and supports audio playback in ATRAC, ATRAC3, ATRAC3plus, and MP3 formats. It has an LCD display and supports long battery life with a lithium-ion battery and USB connectivity.
NW-E103
The NW-E103 is a Network Walkman part of the 4th generation E series, featuring a compact chassis. It has 256MB of built-in flash memory and supports ATRAC and MP3 audio playback. It has an LCD display and is configured for long-term operation with a single AA battery.
NW-E105
The NW-E105 is a 512MB Network Walkman part of the 4th generation E series. It features built-in flash memory and supports audio playback in ATRAC and MP3 formats. It has an LCD display and is configured for long-term operation with a single AA battery.
NW-E107
The NW-E107 is a 1GB Network Walkman part of the 4th generation E series. It features built-in flash memory and supports audio playback in ATRAC and MP3 formats. It has an LCD display and is configured for long-term operation with a single AA battery.
NW-E305
The NW-E305 is a Network Walkman part of the 6th generation E series. It has 512MB of built-in flash memory and supports audio playback in ATRAC and MP3 formats. It is powered by a lithium-ion battery and has an FM tuner.
NW-E307
The NW-E307 is a 1GB Network Walkman part of the 6th generation E series. It features built-in flash memory and supports ATRAC and MP3 audio playback. It is powered by a lithium-ion battery and has an FM tuner.
NW-E307/B
The NW-E307/B is a color variation model part of the 6th generation E series. It features 1GB of built-in flash memory and supports ATRAC and MP3 audio playback. It is powered by a lithium-ion battery and has an FM tuner.
NW-E405
The NW-E405 is a Network Walkman part of the 5th generation E series. It has 512MB of built-in flash memory and supports audio playback in ATRAC and MP3 formats. It features an OLED display and is powered by a lithium-ion battery.
NW-E407
The NW-E407 is a 1GB Network Walkman part of the 5th generation E series. It features built-in flash memory and supports audio playback in ATRAC and MP3 formats. It has an OLED display and is powered by a lithium-ion battery.
NW-E505
The NW-E505 is a Network Walkman part of the 5th generation E series, equipped with an FM tuner. It has 512MB of built-in flash memory and supports ATRAC and MP3 audio playback. It features an OLED display and is powered by a lithium-ion battery.
NW-E507
The NW-E507 is a Network Walkman part of the 5th generation E series, featuring a 1GB capacity and an FM tuner. It has built-in flash memory and supports ATRAC and MP3 audio playback. It has an OLED display and is powered by a lithium-ion battery.
NW-A605
The NW-A605 is a Network Walkman with flash memory, part of the first generation A series. It features 512MB of built-in flash memory and supports audio playback in ATRAC, MP3, and WMA formats. It has a monochrome OLED display and is powered by a lithium-ion battery and supports FM reception.
NW-A607
The NW-A607 is a Network Walkman with flash memory, part of the first generation A series. It features 1GB of built-in flash memory and supports audio playback in ATRAC, MP3, and WMA formats. It has a monochrome OLED display and is powered by a lithium-ion battery and supports FM reception. It has a self-contained configuration with built-in flash memory, eliminating the need for external media. While based on the design of the E series, it is positioned as a core capacity model within the A series.
NW-A608
The NW-A608 is a Network Walkman part of the first-generation A-series, equipped with large-capacity flash memory. It has 2GB of built-in flash memory and supports audio playback in ATRAC, MP3, and WMA formats. It features a monochrome OLED display and is powered by a lithium-ion battery and supports FM reception.
NW-A1000
The NW-A1000 is a Walkman with a hard disk drive part of the first generation A series. It has a 6GB internal hard disk drive and supports audio playback in MP3, ATRAC, WMA, and AAC formats. It features an OLED display, supports operation with a lithium-ion battery, and includes Artist Link and Intelligent Shuffle functions.
NW-A1200
The NW-A1200 is a Sony Style exclusive model of the original A-series Walkman with a hard disk. It features an 8GB internal hard disk and supports MP3, ATRAC, WMA, and AAC audio playback formats. It has an OLED display, supports lithium-ion battery operation, and includes Artist Link and Intelligent Shuffle functions.
NW-A3000
The NW-A3000 is a Walkman part of the first-generation A-series, equipped with a large-capacity hard drive. It has a 20GB internal hard drive and supports audio playback in MP3, ATRAC, WMA, and AAC formats. It features an OLED display, supports operation with a lithium-ion battery, and includes Artist Link and Intelligent Shuffle functions. Its self-contained configuration with an internal hard drive allows for the portability of a large music library.
In 2005, an integrated digital music system was established. At the same time, the limitations in comparing our products with those of other companies became clear.

