Think Your Smart Speaker is Spying On You... get Paranoid

(Note: As of this date the manufacturer is only accepting pre-orders. Gauging demand before going into production is not uncommon. The following is just an interesting bit of news; not a product endorsement. Also, it might be an April Fool's prank.) 

Their headline reads, "Blocks smart speakers from listening, while keep them voice-activated. Just say "Paranoid" before your usual commands." more

"How?" ...you may ask.

A. In one of three ways.

1. The BUTTON model begins with the mute button pressed.  When it hears you say, "Paranoid" it presses again, thus letting your next command to pass through. After your command is finished it re-mutes with another press.
2. The HOME model (it appears) uses ultrasound to block the speakers microphones. Click here to learn how ultrasound blocking works. The volume needed for this application is very low so it shouldn't be a health risk.
3. The MAX model requires you sending them your smart speaker so they can physically install their solution. People who use this option are not true paranoids. True privacy paranoids would be afraid the unit might come back, bugged!