2003 NW-MS90D
The NW-MS90D is a third-generation Memory Stick Walkman that supports built-in flash memory and Memory Stick Duo expansion.
2004
NW-MS77DR
The NW-MS77DR is a third-generation Memory Stick Walkman that supports built-in flash memory and Memory Stick Duo expansion. It has 256MB of built-in storage and supports audio playback in ATRAC, ATRAC3, and ATRAC3plus formats. It has a backlit LCD display that can display playback information.
Related Network Walkman
Network Walkman in 2004
Sony portable audio in 2004
2004 MZ-E730
The MZ-E730 was a high-end MDLP player that combined playback adjustment functions with superior sound quality.
2004 WM-EX194
The WM-EX194 is a playback-only Walkman equipped with an automatic inversion function.
2004 D-FJ401
The D-FJ401 is a portable CD player equipped with an FM/AM tuner and G-Protection.
