TG technology is to achieve data transfer between devices without Host. For example, a digital camera is directly connected to a printer, and through the OTG technology, a USB port between two devices is connected, and the photograph taken is immediately printed;

 

It is also possible to send the data in the digital camera to the mobile hard disk of the USB interface through the OTG, and it is not necessary to carry an expensive memory card or carry a portable computer in the field operation.

 

Through the OTG technology, the USB interface accessories can be extended to the smart terminal to enrich the functions of the intelligent terminal, such as expanding the remote control accessories, and turning the mobile phone and the tablet into a universal remote control.