The W810i Walkman„¢ is a stylish music player with everything you need for a mobile music lifestyle. An easy-to-use Walkman„¢ 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. And when you want quality entertainment around the clock, the W810i has an FM radio with RDS