Found this in my local Sainsburys in Savacenter,Hempstead Valley,Gillingham. There were several on the shelf .
# Lithium-Ion rechargeable battery with great Stamina of 30 hours
# High speed battery charge: 3 minutes charging will give you 3 hours playback time
# Transfer up to 22 CD's onto the internal memory thanks to ATRAC3plus compression technology
# Direct USB plug for ease of use
# Bright and clear 1-line OLED display for easy navigation
# Multiple codec support: ATRAC, MP3 and WMA compatible
# SonicStage 3.4 software for easy music management and transfers of your favourite tracks
# *This player is designed to seamlessly work with the Sony Connect Europe Music store only, which will close after March 2008. Use with any source of legitimate download offerings in compatible, non-protected formats (eg. MP3) remains unaffected.