Full specs
8GB of memory
FM radio (manual and auto scan) and presets
Bluetooth
NFC
it comes with Sony software to transfer files, but it is not necessary as you can just drag and drop files through Windows.
It works with a PC with Vista and up, I don't know about older OSes, I haven't tried it and the manual says nothing about older OSes.
It also works with Mac OS X+ and Linux, so I am guessing it should work with any OS which supports USB.
Equalizer :Heavy, Pop, Jazz, Unique, 2 custom ones
Dynamic Normalizer on/off
Clear Phase
Shuffle
Repeat one all off
Playback Range
AVLS (on/off)
Beep on/off
Select Headphones (supplied for noise cancelling, or other)
Screen Off Timer (various options for seconds and minutes up to 30
Five levels of brightness
Reset and Format options from within the OSD.
Several Languages (not Greek)
Volume 0-30, 11 is very good for a semi quiet environment.
Music selection/browsing by the usual, plus Folders
Battery life officially around 15 hours.
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