Matrix shows off its battery-free smartwatch and IoT platform
 

Matrix is the company behind both the PowerWatch and the PowerWatch X, two timepieces that don't require batteries to work. Both were announced at the same time, but it's taken the X slightly longer to get here, but that's okay, because there's a rea...

https://www.engadget.com/2018/01/09/...-iot-platform/