I will note that OnePlus isn't the first company to try a novel approach to solving smartwatch battery life. Mobvoi's TicWatch Pro series has long used dual-display technology to conserve battery life, providing similar results to OnePlus. But that watch is bulkier, the software feels clunkier, and the company's update policy is spotty.Speaking of, OnePlus is promising two Wear OS updates and three years of security updates. That's similar to what Google offers for its Pixel Watch lineup, but pa...