microphone

The smart glasses also include a hardware switch on the controller that lets the driver turn off the glasses and all of its sensors, including the camera and microphone.

At one point, a rat-a-tat-tat could be heard on the microphone, and an announcer said, “Thuuunderrrr. The guns recoil. The earth shakes and 1-5-5 mm shell tears through the air. ... Steel rain inbound.”

The “Raging Grannies of Sacramento” had set up a stage, and were testing microphones in advance of bombarding the crowd with song.

The Israeli firm produces Pegasus, a highly invasive tool that can reportedly switch on a target's cell phone camera and microphone and access data on it, effectively turning the phone into a pocket spy.

But he added, smirking: “So I don’t really get what’s going on here, but I really liked how she was speaking into that microphone.”