A:AnswerIt should work with any pone that has blue tooth. But honestly, a pokemon go-tcha would be better if you didn't already get one of the Pokeball plus.
A:AnswerIt uses a USB Type C connector to USB and plug it into a switches USB port. You do not have to plug it in a switch to charge it, any USB port will work. If you have a USB Type C charger it will charge faster with that.