What is the otg cable? how to use?

Otg: means On-The-Go, that is, in the case of a computer without a transfer station, directly to the phone to connect U disk, card reader, MP3, keyboard, digital cameras and other external devices for data transmission, input operation or charging Features. The Your phone and MP3 how to do with each other song? With OTG can be, the phone and MP3 usb interface through otg can achieve the two devices of data interoperability.

OTG is mainly used in a variety of different devices or mobile devices between the connection, the data exchange. USB technology, so that computers and peripheral mobile devices can be a simple USB connection to transfer a variety of data. This will lead to a situation, mobile phone or tablet computer without a computer, we can not manage mobile phones and other mobile device data, so to the user to bring the inconvenience.

With mobile phones and other mobile devices more and more like a computer, can we imagine, you can use the phone as a computer? Mobile phone can also connect U disk, USB card, etc. The answer is yes, OTG function is to achieve the phone And U disk and other USB devices can be connected, but the phone is a small USB interface, can not meet the U disk and other USB interface needs, so OTG data line came into being.

OTG role, that is, in the absence of a computer case, to achieve the data transfer between mobile devices. As with a single line connection of two mobile devices, the OTG line can connect the device directly for data transfer and printing. Do not need to bring a memory card or computer to send. The most common is the mobile phone through the OTG line connected U disk and other USB devices, thus extending the mobile device function.

General OTG line is divided into two, one is needed to connect to the power supply, there is a need not connect the power supply, but their function is the same, are generally used as a USB external device, such as printers, Cameras and other equipment. For example, our mobile phone supports OTG function, but we want to play U disk movies or music how to do? General users can only U disk files transferred to the phone through the computer to play, but as long as the OTG data line, we You can directly achieve the phone on the U disk file.

Another example, such as our general purchase of Tablet PC, only support Wifi wireless Internet access, if we want to achieve 3G wireless Internet how to do? In fact, very simple, as long as our Tablet PC support OTG function, you can through the OTG data cable will flat Computer and USB 3G card connected to use, thus achieving the Tablet PC can achieve 3G wireless Internet access.