W850

Sony Ericsson sent out a press release announcing four new phones, including 2 new Walkman phones. The Walkman models add a new feature called Track ID that allows a user to record a few seconds of a song from the microphone or the built in FM radio, and send it off to a server for identification.

• W850: Sony Ericsson's first slider outside of Japan. Also the first Walkman phone with A2DP stereo Bluetooth. A 900/1800/1900 GSM/GPRS phone with WCDMA 2100. Features a 2 Megapixel camera, second VGA camera for video calls, QVGA screen, Memory Stick Duo slot with 1 GB card, Bluetooth, and a new Walkman player including support for track downloads over the network with the e-AAC+ format.
• W710: A music oriented clamshell with new fitness features. Has quad-band GSM/EDGE with 2 Megapixel camera, 176x220 display with a 128x128 monochrome external screen, Memory Stick Micro M2 slot including a 512 MB card, Bluetooth, and a new pedometer sensor and fitness application.
• Z710: A W710 without the Walkman or fitness features. Does not include the 512 MB M2 card either. However features Bluetooth 2.0 with A2DP stereo Bluetooth.
• Z550: A clamshell phone with 900/1800/1900 GSM/GPRS. Features include a 1.3 Megapixel camera, Bluetooth, Memory Stick Micro M2 slot and a single line, monochrome external display.