Add your user data such as age, weight, and height to get personalized calorie burn information. ◇ Get personalized heart rate zone info. Calculates personalized HR zones and shows current, average, and max heart rate as well as how much time you spend in each zone during your workout. ◇ Stay informed with audio alerts. Choose from a huge array of customizable audio announcements such as distance, time, pace, calories burned and more at regular distance or time intervals to stay informed and motivated during your workout. ◇ Get comprehensive cycling power data. Works with all Bluetooth Smart and ANT+ power meters and offers multiple power screens with power in watts, avg. power, nPower, iFactor, TSS, and mean max power for 20 seconds, 1, 2, 20, and 60 minutes. ◇ Use multiple sensors at once. You can use multiple sensors at the same time using the same or different wireless technologies without interference. ◇ Choose your favourite data screens. Select from 13 screens to see the data that's most important to you and your workout. Please Note: Continued use of GPS running in the background can dramatically decrease battery life.