The Fitbit Alta HR is the company’s latest fitness tracker, built to be worn all day and night. As you might have guessed from the name, it’s taking the first Fitbit Alta and sticking an optical heart ...

Fitbit just made the slimmest fitness band with continuous heart rate monitoring. With expanded sleep features and week-long battery life, it’s a near-perfect activity tracker. I’ve said it before and ...

For casual users, this is one of the most comprehensive and well-made fitness trackers out there. However, serious athletes need not apply. For casual users, this is one of the most comprehensive and ...

With the Alta HR, Fitbit updates its most stylish tracker with continuous heart rate monitoring, better battery life, and smarter sleep tracking. The Alta HR is slim and you can easily swap out the ...