Best fitness trackers at a glance: Best fitness tracker for taking an ECG anytime: AppleWatch Series 10 (GPS) 42mm Rose Gold Aluminium Case with Plum Sport Loop, buy on here from Very Best fitness ...

If you like the idea of fitness tracking ... you're wrong), sporting a 42mm rose gold plated steel case, paired with a deep navy blue alligator leather strap. A convex sapphire crystal dome ...