The MATRIX PowerWatch is the world’s first smartwatch that you never have to charge. Powered by your body heat, it measures calories burned, activity level, and sleep using our advanced thermoelectric technology. It is the only smartwatch to feature a power meter which displays how much electrical power you are generating. Your body turns the calories you consume into heat. The PowerWatch accurately measures the calories you burn using our advanced thermoelectric technology. The PowerWatch is a rugged aircraft-grade aluminum smartwatch that wirelessly syncs with your smartphone, automatically adjusts to the current time zone, and has changeable watch faces. The PowerWatch tracks your activity and sleep and is water resistant to 50 meters, so it’s great for swimming. Monitor your calories burned steps taken and sleep quality at a glance. A button press will take you to micro-applications like a timer and stopwatch.