Want to carry on to an international flight, an "ionic air purifier"; will TSA allow or confiscate.?

Decided to keep the air on the plane a little purer than usual; I want to wear the 1.5 inch by 3 inch purifier on a 12 hour flight on a strap around my neck; uses one CR 2032 button battery. Will TSA allow me to do so? or will it be confiscated? I have a small language translater using the same kind of batteries (3) that will be coming along, as well. My goal is not to inhale the floating germs.


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