My Cardio Fitness Training funktioniert nicht

After every workout, you can see all your stats on your iPhone in eye-catching graphs and charts. “Feel the buzz” - every time you earn a point, the watch will buzz with haptic feedback to help keep you in the right zone so you can keep pushing and reach your goals quicker.  Track your heart rate zones, calories, and points for every cardio workout.  With adaptive heart rate functionality and personalized zone thresholds, you’ll always be challenged to keep pushing & improving.  Based on your heart rate data over time, we'll give you detailed insights into how hard your heart is working during every workout.  You can opt-in to receive an email summary of every workout, showing detailed stats such as calories burned, minutes in zones and points.  Connect any standard Bluetooth heart rate monitor, armband, or chest strap.  TRACK YOUR HEART RATE ZONES TO BE A BETTER, STRONGER YOU!  Everyone has a different resting and maximum heart rate.  With real-time insight into how hard your body is working, you can take the guesswork out of your fitness journey and start maximizing your training and calorie burn today.  Leave your phone at home with the stand-alone watch capability.  We value your privacy and never share or sell any user information.  Use your OTBeat, Polar, Wahoo, or Garmin HRM.  The minimum requirement for the Apple Watch is a series 3 or later.