2009 NWZ-E444K
The NWZ-E444K is a high-capacity model with built-in speakers part of the E series.
2013
NW-S785K
The NW-S785K is an eleventh-generation S Series model with 16 GB storage, MP3/WMA/AAC/WAV support, 77-hour lithium-ion battery, speaker output, video and photo playback, and Clear Phase.
The speaker-equipped variant scaled storage within the long-play eleventh-generation S platform. It keeps that same S785 formula and wraps it in the same accessory-friendly logic as the surrounding late S variants.
Related Network Walkman
Network Walkman in 2013
Sony portable audio in 2013
2013 NW-W274S
The NW-W274S is a high-capacity, waterproof wearable Walkman part of the W series.
2013 NW-F886
The NW-F886 is a high-capacity Android-based model part of the second-generation F series.
2013 NW-F887
The NW-F887 is the largest capacity Android-based model part of the second-generation F series.
