The connection cable of the U disk to the mobile phone is called the OTG line, and the mobile phone can be connected to the USB device such as the U disk and the mouse and the mouse through the OTG line.

 

OTG is the abbreviation of On-The-Go. It is a technology developed in recent years. It was announced by the USB Implementers Forum on December 18, 2001. It is mainly used for the connection between various devices or mobile devices for data exchange.

 

Especially Pad, mobile phones, consumer devices. It is inconvenient to exchange data between up to seven types of memory cards by changing a variety of different types of connectors between devices such as digital cameras, camcorders, and printers. It became popular in the market around 2014.