Ultrasonic bracelet jams the microphones around you
You could thwart eavesdroppers with your wristwear.
bracelet
Smart arm bracelet warns of nighttime epileptic seizures
Nightwatch could save lives without the hassles of other sensors.
The Invi security bracelet repels assailants with a viscous stink
You'll smell bad enough to give Pepe Le Pew pause.
