But portable audio devices aren't the only options for enjoying music, video, and pictures on the go. As flash storage capacity increases, the mobile phone has grown in importance as a portable media device. With Windows Media Player 11, you also receive a great sync experience with a host of mobile phones, including Windows Mobile-powered devices and other Windows Media-enabled phones, such as the Nokia N91, a mobile jukebox phone with room for thousands of songs (with 4 gigabytes of storage).

 Source: Microsoft