Micro USB is a portable version of the USB 2.0 standard, which is smaller than the Mini USB interface used by some mobile phones. Micro-USB is the next-generation specification of RS232 to Mini USB Cable. Micro-USB supports OTG, like RS232 to Mini USB Cable, it is also 5pin. Compared with RS232 to Mini USB Cable, the definition of Micro series includes Micro-B series slots used by standard devices; compared with RS232 to Mini USB Cable, Micro-AB slots used by OTG devices; Micro-A and Micro-B plug, and cable. The unique feature of the Micro series is that they include a stainless steel housing, which can be plugged and unplugged for 10,000 times without a problem.

Micro-USB connector is smaller than standard USB and RS232 to Mini USB Cable connectors, saving space, with up to 10,000 times of plugging life and strength, blind-mate structure design. Compared with RS232 to Mini USB Cable, the Micro-USB standard supports the OTG function of USB, that is, in the absence of a host (such as a personal computer). Data transfer between portable devices can be directly realized, compatible with USB1.1 (low speed: 1.5Mb/s, full speed: 12Mb/s) and USB 2.0 (high speed: 60Mb/s), while providing data transfer and charging.

Compared with RS232 to Mini USB Cable, it is especially suitable for high-speed (HS) or higher rate data transmission, and is the best choice for connecting small devices (such as mobile phones, PDAs, digital cameras, digital video cameras and portable digital players, etc.). At the same time, it can also provide convenience for the car. Compared with RS232 to Mini USB Cable, it only needs a USB car charger and a MICRO USB data cable for emergency charging of mobile phones. And there is a 5V output interface directly on the high-end car, which is connected to the MICRO USB cable to charge the mobile phone. Compared with RS232 to Mini USB Cable, MICRO USB is versatile and easy to use.

Through the above introduction and analysis of RS232 to Mini USB Cable , hope it helps you.