The iPod Software 2.1 Updater adds significant enhancements to iPod including support for voice notes and digital photo storage (using third party accessories). Read more. New in iPod Software 2.1 Voice notes (requires 3rd party microphone, sold separately) Digital photo storage (requires 3rd party photo card reader, sold separately) Enhanced On-The-Go playlist Improved playback performance Added Music Quiz game Improved backlight Improved battery meter New for Windows: support for AAC audio files, including songs purchased from the iTunes Music Store Download