I would try something like this: https://www.amazon.com/Belker-Voltage-Universal-Household-Electronics/dp/B00ZWU5L0C
You might also need this cable. https://www.amazon.com/Belker-Reverse-Polarity-Converter-Keyboard/dp/B07PMHMPMP
I can't recall specificallywhich adapter plug it was that worked, but I pulled it from this set on Amazon:
https://www.amazon.com/Belker-Voltage-Universal-Household-Electronics/dp/B00ZWU5L0C