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.
The Fitbit Charge is a solid follow-up to the recalled Force wristband tracker, but hold off for the Charge HR and its heart-rate tracking features when it launches in early 2015. Topics: fitbit, Fitbit Charge, Health & Fitness, fitness trackers, Gadgets, Health & Fitness, Mobile, reviews, Tech.