Tag Archives: audio jack
Audio Jack
Posted on 11. Jun, 2009 by admin.
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The tour continues with the top left corner of the iPhone. Here’s where you plug in the white earbuds that came with your iPhone. This little hole is more than an ordinary 3.5-millimeter audio jack, however. It contains a secret fourth pin that conducts sound into the phone from the microphone on the earbuds’ cord. [...]
