2008 NW-A828
The NW-A828 is a Network Walkman with flash memory, part of the 4th generation A series.
2012
NW-S775
The NW-S775 is a high-capacity Network Walkman part of the 10th 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 TFT display and is powered by a lithium-ion battery.
