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OTG data line classification and function

Date:2018-05-28 Hits:141
OTG data line classification:
The general OTG line is divided into two kinds, one is to connect to the power supply, and one is not to connect the power supply, but their functions are the same, usually used as the external devices connecting the USB, such as printers, cameras and other equipment. For example, for example, our mobile phone supports OTG function, but what do we do if we want to play movies or music in U disk? The average user can only transfer the files on the U disk through the computer to the mobile phone, but as long as we pass through the OTG data line, we can directly implement the files on the U disk on the phone.