ESP32 Forum

Can somebody help me with this little problem?
I bought two ESP32 boards to make a music visualizer that i found on you tube, and so far it seams putty easy however i got stuck
when they asked to use two 10k resistor and one 100NF non-polar capacitor for the project audio line in.
the problem is that they don`t specify the voltage for this capacitor and resistor, and i`m afraid to buy the wrong one and damage my board, since i`m a beginner and this is my first project, can one of you guys be so kind to tell me the right specification of the two components to buy.
video of the project
https://www.youtube.com/watch?v=26SWWaKUnCg
thank you so much

Line in audio is 1V peak-to-peak. I don't think there's any 100n capacitor or any resistor that fails under those circumstances, so pick whatever you have lying around or whatever is the cheapest.