![Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/sfE9Y.gif)
Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange
![Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/schkT.jpg)
Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange
![Amazon.com: Mini USB 2.0 Cable, Black, Type A Male to 5 Pin Mini-B Male, 6 foot - 5 Pack : Electronics Amazon.com: Mini USB 2.0 Cable, Black, Type A Male to 5 Pin Mini-B Male, 6 foot - 5 Pack : Electronics](https://m.media-amazon.com/images/I/71Q94H1o9aL._AC_SX450_.jpg)
Amazon.com: Mini USB 2.0 Cable, Black, Type A Male to 5 Pin Mini-B Male, 6 foot - 5 Pack : Electronics
![Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/KSGN3.png)