We buy fitness bands and activity trackers to keep tabs on our exercise, but it is easy to forget to start tracking or switch modes when moving between different activities. For Fitbit and Pixel Watch users, that could soon become a lot less annoying, …
The Fitbit Air weighs 5 grams without its strap, tracks heart rate, blood oxygen, skin temperature, and steps around the clock, lasts seven days on a charge, and costs $99.99.