The new Sony Ericsson W660i Walkman Phone was approved by FCC and will soon hit the markets.
This little 3G phone comes with a 512MB memory stick micro (M2), which can hold up to 470 songs (eAAC+ format). Memory is expandable to 1GB. The W660i supports Bluetooth stereo and features the Track ID function, which allows to recognize a particular song playing on the phone's FM receiver.
The price is yet unknown.