With its Charge 2 band’s cardio and breathing offerings, Fitbit is putting its years-in-the-making PurePulse sensor to work in new ways.
With its Charge 2 band’s cardio and breathing offerings, Fitbit is putting its years-in-the-making PurePulse sensor to work in new ways.
Behind a wall of privacy dividers in a common space at Fitbit’s San Francisco headquarters, a young man in a surfing T-shirt and shorts—and an oxygen mask—is running on a treadmill. Its speed keeps increasing, compelling him to pick up his own pace.
