Nuband Flash HR 3 Fitness tracker features a variety of beneifts to make your fitness goals more achievable. The Full colour touch screen display gives crisp information and also features a long 7 day battery life.Flash HR 3 comes with built in dynamic heart rate monitor, so you can actively see your fitness improvements. The Flash HR 3 also links the weather from your smart phone so you can check weather updates when you are on the run. The tracker also has a built in USB charger so no more losing charge cables. Flash HR3 is your true all in one fitness companion