The W810i WalkmanŽ is a stylish music player with everything you need for a mobile music lifestyle. An easy-to-use WalkmanŽ digital music player with folders for artists and customised playlists. A 512 MB Memory Stick PRO? Duo with enough memory for up to 20 full-length audio CDs. And a stereo headset for quality listening. Enjoy hours of your favourite music wherever you go.