Are Micro USB-B OTG cables/connectors 5-pin, 11-pin, or both? Wikipedia doesn't say anything about an 11 pin OTG connector, but Amazon seemingly has both 5 and 11 pin versions. - Quora
The development of USB ports | GAOMON Articles
Confluence Mobile - Canisius College Wiki
USB Full Form - Ask Wiki
What Is USB? USB, Micro and Mini USB | Connector Guide | C2G
USB - Wikipedia, the free encyclopedia
USB - Fractal Audio Wiki
USB Port Overview: Differences between USB-A, USB-B & USB-C
Why hasn't micro-USB replaced all others? - Super User
Nano USB - Geeetech Wiki
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Gadget Detail >> Wiki USB fridge - Wusteman Gadgets