When you buy through our links, Business Insider may earn an affiliate commission. Learn more Beats is taking its lineup of wireless earbuds to the next level with the launch of its new ...

Keeping track of your heart rate while working out is now easier than ever, thanks to wearables like smartwatches and fitness trackers. However, the gold standard for heart rate data is a chest strap ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...