After six weeks of wearing the Amazfit Cheetah 2 Pro, I'm convinced Garmin's got something to worry about — just as soon as Amazfit figures out how to make its big running watches more comfortable to wear
…up and AMOLED display are two of the reasons. Compared to the cheap, plastic feel of a lot of sports trackers, the Cheetah 2 Pro is a high-end piece of hardware…