Jarv Premium Bluetooth Smart heart rate monitor uses the latest low power Bluetooth technology to connect to your compatible iOS devices and other bluetooth activity devices such as bike cadence sensors. Turns your iPhone into a mobile training device.
How to calculate your maximum heart rate to know how hard youre working during your cardioPS: the fat burning zone (about to of your maximum heart rate) doesnt mean youre burning more fat. It just means the body burns a higher percentage of calorie
How Target Your Heart Rate & Get Into the Fat-Burning Zone. Most people believe the harder they workout, the more fat they burn. Most people are wrong. The truth is fat burning occurs at a much lower intensity than many of us realize.