PhoneArena gives us a video review on the Sony Ericsson W880 Walkman phone which is only 9.4mm thin. The Sony Ericsson W880 has the built-in Walkman player 2.0 and with the Bluetooth A2DP, you can enjoy music without wires.
It has a 2Megapixel camera, a 1.8-inch QVGA 262k color TFT LCD display, Full HTML browser with RSS, Push Mail, and Memory Stick Micro (M2) slot (comes with an 1GB card) and you can access the phone as USB Mass Storage.