Touch Wheel

The Capacitance Touch Click Wheel, or Click Wheel, is the means of physically interfacing with an iPod. It was introduced on the iPod mini and has been on used one all Ipods since, excluding both generations of the shuffle. it is touch sensitive for moving through menus and has 4 buttons(menu, previous track, next track and play/pause) at the compass points and has a button in the middle for selecting and progressing through menus.