Fitbit Versa 4 vs. Fitbit Versa 3: What’s changed?
The Fitbit Versa 3 has a lot to offer. With SpO2 monitoring, a swim-proof build, and decent battery life, it’s got everything you need from a Fitbit. So is there really a need to upgrade your current tracker and invest in the new Fitbit Versa 4? What’s new? Which features have received an update? Are…