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Volume Control Buttons Hanging From Earpods
User can control the volume with intuitively way
EarPods
This is earphone provided from Apple since 2012. It has a controller under its right earphone. User can control its volume by use the controller.
Signifier
The “+” and “-“ symbols on the controller are signifiers for increasing and decreasing of its volume. “+” is a signifier that is meant to be larger and “-“ is a signifier that is meant to be smaller.
Mapping
When wearing EarPods, “+” faces up and “-“ faces down, so that the up and down of the volume matches the up and down of the space. creating a natural mapping. So the user can control the volume without having to look at the controls.
Feedback
When user push the button, the volume is changes increase or decrease. it is a feedback. Not only that, when user push the button, display shows volumeter, it is a feedback too.