MentalVoice² – The Thought Inside Their HeadMentalVoice 2 is the world’s first bone conduction device designed exclusively for magicians and mentalists—with both Bluetooth 5.0 and 512MB onboard storage built in.Crafted in soft silicone and engineered for stealth, this compact unit allows you to transmit secret audio directly to your spectator’s skull—without using earpieces, speakers, or visible tech. No one else hears a thing.Whether you’re performing in a formal show, close-up set...