Amazfit Cheetah 2 Pro Review: This Smart Running Watch Is Nice, but I Don't Know Who It's For (opens in new tab)

I wouldn't stake my marathon prep on data from this watch itself. Build quality and hardwareMy very first impression running with this watch is that it’s the lightest serious running watch I've ever worn. And if you've ever finished a long run with a heavier watch leaving a tan line and a faint ache, you'll understand why that matters.<img alt="" class="image …