The Sony Ericsson W660i comes with a built in Walkman® music player which allows the user to enjoy a full music experience on their 3G mobile phone. The music player comes with easy to create music playlists & the user can view original album art on the full colour screen. The user can move their music from their personal computer or laptop to their W660i easily, by simply connecting the devices, choosing the music & transferring the music file.