privacy armor

a.k.a. anti-smartwatch

Gadgets created to thwart digital eavesdropping or to protect the identify of the wearer.

Historical perspective: In March 2020, computer scientists at the University of Chicago developed a type of wrist wear that emits ultrasonic signals imperceptible to most ears that can jam Alexa, Siri, Google or any other microphones in the vicinity from hearing you. And in 2016, an eyewear maker developed reflective glasses that blur the wearer's face on security cameras. 
NetLingo Classification: Net Hardware