Sony Ericsson has unveiled a new line-up of mobile phones, one of which is the W350 Walkman phone. It’s a flip phone with a unique cover design. The cover of the mobile phone contains the keys used to control the phone’s Walkman functionality. Bluetooth connectivity also allows you to use bluetooth headsets. It’s 10mm thin and has

the TrackIDTM technology. What’s that, you say? Well, if you’re the type who forgets song titles as soon as you hear them, it will definitely be great help to you. Simple record a part of the song you want to know the title of an TrackIDTM will recognize it for you. Savvy, right? The W350 can store up to 470 tracks. The release date? Second quarter of 2008.

More Sony Ericsson W350 specs after the jump.