The flagship Apple Watch comes with several upgrades, including six more hours of battery life for all-day use. It sees its first discount of the season on Amazon right now.

While some other sports watch brands become more of a smartwatch, Polar continues to provide optimal experiences for training, coaching, and performance improvement.

Accurate smartwatches detecting Afib show varied sensitivity and specificity across brands in a meta-analysis of 17,349 patients in JACC: Advances.