How to find out Original iPhone5 earpods ??

Hi everybody !!

 

I have two iPhone5 earpods, one original which comes with my iPhone and the next one is the one which I got from Apple Store in India. I find out some serial numbers in both earpods next to the text ( Designed by Apple in Califorina assembled in China ) but I don't know which one is the original one.

 

Is there anybody the help me in case of this ???

 

thanks

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