A micro USB is a scaled-down version of the Universal Serial Bus interface designed for connecting small and portable devices like smartphones, MP3 players, printers, digital cameras, and GPS units.
What is Micro USB?

Micro-USB was previously the industry standard for portable devices such as Android tablets and smartphones because it can transfer data and provide power. It is smaller than USB-A and is available in Type-A Micro and Type-B Micro varieties. Because of the lower cost of Micro-USB components than USB-C, many manufacturers continue to use them in their products.
FAQ - Frequently Asked Questions
Ans. Digital cameras and many other gadgets, including Android smartphones and tablets, typically use Micro USB connectors, GPS units, and gaming controllers.
Ans. You should be aware that USB-C and Micro-USB ports are distinct from one another. A Micro-USB cable literally cannot fit into a USB-C smartphone connector, therefore you shouldn’t try to force it in.
Ans. In April 2000, USB 2.0 and mini-USB ports were released for usage with smaller gadgets like digital cameras, smartphones, and tablet PCs.
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