A:AnswerIt is not. It sticks on the back of the case and need to remove the case in order to charge the phone on a wireless charger. I am returning it.
A:AnswerIt’s fairly grippy but is just a hard plastic. So a small amount of sweat or oil from your hands is going to require you to wipe it off each time unless you want to keep readjusting it in your hands. That’s just from my personal experience