It's just a bluetooth headset made tiny. Normies call anything that they don't understand "smart" because it makes them sound like they're high-tech when in reality the simple fact that the lightswitch doesn't explode when they flip it completely blows their minds. But there's no reason for her to even be wearing that. In-ear pretty much invisible headsets have been available for years, and they'd certainly be capable of lasting the few hours of a debate. I'd put my money on that first.