What do you think of joycon serial number? Is it original?

The serial number of the handle is the same as that in the main machine. According to the inquiry of Switch official website, the original packaging bag of joycon handle has a serial number. When the serial number of joycon handle is consistent with the serial number in the host system, joycon is the original handle. JoyCon is the controller of Nintendo Switch mainframe. A set of controllers includes one left and one right, which can be operated directly or horizontally, and there are also ways to hold the controller left and right.