Sony MZ-N510CK NetMD Walkman/Recorder with Car Kit Stores more than five hours of music on an 80-minute minidisc; speedy USB connection minimizes recording time Compatible with MP3, WMA, and WAV music files as well as with the pressplay.com online music subscription service Bundled software helps you organize your music by artist, song, style, or tempo Bookmark function lets you "mark" or program your favorite songs on the disc in real time during playback Includes a remote control, AC adapter, and car-kit accessories; offers up to 56 hours of playback from a single AA battery