How to transfer my micro so files?

So I'm going on holiday for less than a week, I'm going skiing and I'm bringing a GoPro hero 4 session with a 64 go micro sd card. I'm not bringing my computer. I wanted to know if I can tranfer the footage to my phone or something so I have enough space for the hole week because I don't think 64gb will be enough. ( can't buy another card )
Added (1). 64 gb*
sd card *

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