The Sony Ericsson W580i borrows a few design traits from the W880. But even so, the W580 does have few of its own distinctive tricks up its 14mm thick sleeves. Most notable of which is the curved body section at the bottom of the device that caused the Fast Port power/headset jack to be moved up to the side of the device.
As a Walkman phone, the Sony Ericsson W580i obviously caters to the music lover. The device ships with a 512MB Memory Stick Micro card that can hold just short of 500 songs when filled up by a PC running the included Sony Ericsson Disc2Phone software. A supplied USB cable will let the W580 be used as a USB mass storage device when connected to a personal computer. For those that prefer their music coming over the airwaves, the Sony Ericsson W580i also sports an RDS compatible FM radio. If, instead, you prefer to have your phone doing the transmitting, the W580's built-in Bluetooth stereo support will allow it to supply tunes to a pair of wireless headphones - not included.
Other features of note in the Sony Ericsson W580i include the 2" 262k color display, a 2 mega pixel fixed-focus camera, and a pedometer for keeping track of your workouts. In terms of software, the W580 sports a full RSS news feed reader, 3D Java games, and the Track ID application that lets users identify songs by simply holding their phone up to an audio source - like a car.