Sony ILCE-7M3 Help Manual page 26

Interchangeable lens digital camera

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Notes on USB terminals

You can use either the USB Type-C terminal or the Multi/Micro USB Terminal for supplying power, charging the battery,

and USB communications. However, you cannot conduct these operations with both terminals simultaneously.

The battery charging time does not change according to the terminal you use.

You can use accessories for the Multi/Micro USB Terminal, such as a remote commander (sold separately), while

supplying power or performing PC Remote shooting using the USB Type-C terminal.