![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)
Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange
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Amazon.com: APEXSUN 7 Kinds of USB C Adapters Kit,24 Pins Type C Connector Support Thunderbolt 4/3,USB 4.0, PD100W Quick Charge,40Gb/s Data Transfer,8K Video Output Compatible with MacBook and More USB C Devices :
![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)