Like previous versions, the Nano has a built-in FM tuner and can display photos, but instead of buttons, controls for playing, pausing and selecting music are on the screen.
In an update to the iPod Touch, Apple is adding video-chat features similar to the newest iPhone.
It has a front-facing camera for conducting video chats with other iPod Touch and iPhone users over Wi-Fi using Apple's FaceTime programme.
A camera on the back can be used for taking snapshots and recording video. Apple chief executive Steve Jobs also introduced a new iPod Shuffle, the lowest-end music player in Apple's range.
Like the past generation, it can speak the names of playlists and songs, but it brings back the square shape and buttons of Apple's earlier Shuffle.
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