HEALTH MONITOR: Stay on top of your health by tracking your heart rate, calories, sleep, menstrual cycle and more.GET ACTIVE: Plan your fitness goals while using the step counter, various sport modes, and reminders to move and stay hydrated.STAY SOCIAL: Make and receive calls, receive message notifications and save your favorite contacts.EXTRA DETAILS: Free Armitron Connect app compatible with Android 5.0+ and iOS 9.0+, where you can also customize the watch face design. When fully charged, battery life lasts up to four days. IP68 Water resistance. Charger included.