Alta HR

Fitbit Launches Alta HR Fitness Tracker for $199.95 in Canada

Fitbit has today announced the launch of Fitbit Alta HR, a new wearable device that the manufacturer claims to be the world's slimmest wrist-based, continuous heart rate tracking device. Alongside the new wristband, Fitbit also announced a feature called sleep stages, which uses heart rate variability to estimate the amount of time the user spends...