Micro USB is a standard USB 2.0 portable version

Micro USB connector (Micro USB) is a standard USB 2.0 portable version, smaller than the Mini USB interface currently used by some phones, mini usb cableMicro-USB is the next generation of Mini-USB specification, the USB standards organization American USB Implementers Forum (USB-IF) on January 4, 2007 finalized. Micro-USB support OTG, and Mini-USB, just as 5pin's. Defined Micro Series Micro-B Series slots include standard equipment used; Micro-AB OTG devices use slot; Micro-A and Micro-B plugs, and micro hdmi cable . Unique Micro series is that they contain a stainless steel housing, plug thousand times no problem.