4 In 1 Micro Usb USB Type-c USB SD Card Reader For IPhone

OTG technology is to realize data transmission between devices without a Host. For example, the digital camera is directly connected to the printer, and the USB port between the two devices is connected through OTG technology, and the photos taken are printed immediately; the data in the digital camera can also be sent to the mobile hard disk with the USB interface through OTG. , there is no need to carry expensive memory cards or carry a portable computer for field operations. Through OTG technology, USB interface accessories can be extended to smart terminals to enrich the functions of smart terminals, such as extending remote control accessories, turning mobile phones and tablets into universal remote controls.OTG is a technology that allows Android phones to connect to various devices, that is, with the OTG function, your phone can be plugged into a U disk like a computer. The function of the OTG adapter is that it can turn an ordinary computer U disk into an OTG mobile phone U disk. The OTG adapter has a socket on one end, and a micro USB interface on the other end. Just insert the port into the USB interface of a common U disk, and you can turn an ordinary computer U disk into a computer with OTG function, suitable for Android The mobile phone/tablet has a USB flash drive.