Dec 06, 2019 · Charge 3 and Vivosmart 4 both lightweight as well, though the Vivosmart is lighter; the Vivosmart 4 weighs around 16g whereas Charge 3 weighs about 29g. Comparatively, the Vivosmart 4 is much slimmer than the Fitbit Charge 3 and with a thinner band comes a slimmer screen. So it’s clear that VivoSmart 4 is ahead in this regard.
Other features of 'Vivosmart 4' include heart-rate monitoring, all-day stress tracking, relaxation and breathing timer along with a body battery energy monitor. The tracker is available in five colours at the Garmin Brand Store in Bengaluru and at Helios Watch Stores across India.