A: An inferior vena cava filter is a cone-shaped metal device that prevents blood clots from traveling to the lungs, according to Cleveland Clinic. Doctors place this device in the inferior vena cava to catch blood clots that have broken loose, explains the University of Michigan Health System.
Fitbit Blaze requires a maximum of 1 â 2 hours to charge fully. It comes with a rechargeable lithium-polymer battery. Since itâs a smartwatch comes with the fitness tracker. The Fitbit Blaze has the improved battery life and it can go up to 4-5 days per charge.
And what's more the Fitbit Charge HR will take note of your resting heart rate every morning, and plot it on a graph. Resting heart rate is the key metric for determining your health and for quantifying the benefits of your newly improved lifestyle. Watch the number fall as you get fitter.he Charge band is 21mm wide, the Charge HR measures 34mm. Both devices will be available in four different colours. The Fitbit Charge comes in black, slate, blue and burgundy and the Fitbit Charge HR's colour shades are black, plumb, blue and tangerine.