The lack of continuous heart rate monitoring on the Charge does have an upside, however: a lower price tag. (heavy.com)
The new device is now able to offer continuous heart rate monitoring, capturing data once a second, helping it be a more accurate fitness tracker than its predecessor. (pocket-lint.com)
It adds a built - in continuous heart rate sensor, and has an improved design with a slimmer, more comfortable profile and a crisp new display. (pcmag.com)