The Sony Ericsson W580 Walkman's screen size is 2 inches with x pixels resolution.
There is a processor (CPU).
The phone runs on proprietary operating system firmware.
You can take photos or capture video with the phone's onboard 2+ megapixel camera.
There's no secondary front camera.
Internal memory is 12 MB. An external, Memory Stick Micro (M2) (up to 1 GB) expansion slot is available for increased storage capacity.
The phone is powered by a Lithium Polymer (Li-Pol), 930 mAh battery. Sony's performance ratings are 15.5 days standby time.