Fitbit slimmest tracker with heart rate monitor; Fitbit Alta hr

  Fitbit is a well-known company for producing fitness trackers. We experienced some of their products and wrote reviews about i. You can check The Fitbit Charge Hr,  Fitbit Charge vs Fitbit Flex  and  the Fitbit Charge hr vs jawbone up3   articles. There are different kind of fitbit’s products that you can choose from, depending on your purpose […]