[She smiles a little. At least he has a sense of humor.]

This? [She taps the headset's mic arm.]

It's a communication booster. My day job is directing field agents in combat zones, so I have to be able to transmit and receive across a pretty wide range.

[And she might just be a little reluctant to end the illusion that she's human, if only to avoid an argument right off the bat. Let her get through her first week. Maybe. Hopefully.]