Tracking your fitness ... heart rate monitor to watches and other exercise equipment as well. The Polar H10 uses a coin cell ...

I'm a Fitness & Nutrition writer for CNET ... To ensure we picked the best heart rate monitor for you, we spent hours testing various models. Here are the ones that made it as our top picks.

Sound good to you? Here are the best fitness trackers to get you back on, ahem, track. Amazon Battery life: 7 days; 24 hours with GPS Heart rate monitor: Yes GPS: Yes Size: 42mm At $300 ...

But traditional heart monitors have required specialized external hardware. That’s not the case with Abbott’s Confirm Rx Insertable Cardiac Monitor, which is implanted just under the skin and ...