![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: CY Micro USB Cable Micro USB to Micro USB 2.0 Cable Cord 1.64ft Micro USB 2.0 Type 5Pin Male to Female Extension Cable for Tablet & Phone & MHL & OTG
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