I wear a VS4 and Fitbit Charge 5. I bought the latter because VS4's pulse ox registers way low. I find that the C5 reports pulse ox accurately but registers steps about 15% low on long, brisk walks, and GPS using iPhone up to 5% low. C5 also has a problem with its onboard GPS -- must wear loose, but heart rate requires wearing snug, so it's one or the other. I'm not convinced that Garmin has solved the pulse ox problem. Also, I agree that the VS5 looks ugly. So I may have to move to Apple Watch, even though I don't need all of the functions and it requires charging every day.