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.
Fitbit battery life by tracker. The Charge and Surge have a battery life of up to 7 days, says Fitbit, so you can track an entire week with just one charge. The Fitbit Charge HR â slimmer than the Surge but with some of its heavier battery-eating features â has a battery life if up to 5 days.