1. A method, comprising: at a portable electronic device with a display, a rotational input device, and an audio feedback unit: displaying a list of items with the display; detecting rotational movement of the rotational input device; and, in response to detecting rotational movement of the rotational input device: scrolling the list of items to an entry in the list, and outputting, with the audio feedback unit, a sound effect at a particular frequency, wherein the particular frequency is based on a characteristic of the detected rotational movement.