In 2000, Sony improved storage capacity and data transfer capabilities. The control system was in its initial stages, and the design was based on technical constraints.
NW-E3
The NW-E3 is the first Network Walkman to feature built-in flash memory. It has 64MB of internal storage and supports ATRAC format audio playback. It has an LCD display and can be powered by a single AA battery.
NW-E5
The NW-E5 is a high-capacity Network Walkman model part of the early flash memory generation. It has 96MB of internal storage and supports ATRAC format audio playback. It has an LCD display and can be powered by a single AA battery.
NW-MS9
The NW-MS9 is a second-generation Memory Stick Walkman, miniaturized from the NW-MS7. It supports 64MB Memory Sticks and ATRAC audio playback. It features an LCD display that can show track information.
By 2000, the basic structure of digital playback was established. At the same time, an integrated digital platform was built.


