File:USB 2.0 and 3.0 connectors.png - Wikimedia Commons
Hardware and Interfaces Usage | Seeed Studio Wiki
USB hardware - Wikipedia
USB hardware - Wikipedia
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