NWZ-S639F

The NWZ-S639F is the largest capacity model with FM functionality part of the 6th generation S series. It has 16GB of internal storage and supports MP3, WMA, AAC, and WAV audio playback formats. It is equipped with a 240x320 TFT display and features FM radio reception and recording, WM-PORT connectivity, video and still image playback, Clear Audio, DSEE, and Omakase Channel functions, and supports approximately 40 hours of playback with a lithium-ion battery.