Heart Rate Watch Human Anatomy Study Omran Pandita 3d human heart anatomy model Internal Heart Anatomy Model. Heart Rate Watch Accurate time, stopwatch, zero countdown, calendar and alarm clock, Performance control during sports activities such as running, cycling, skiing, etc. Wrist pulse measurement Pedometer function: detects the number of steps, distance and speed Sleep tracking: measuring sleep duration and sleep phase with 7 day memory Measurement of current, average and maximum heart rate Large LCD display with the ability to turn on the background light Target heart rate training with alarm including individually adjustable power zones Display of calorie consumption Wristwatch: waterproof up to 3 bar With lithium ion polymer battery (non replaceable) incl. USB charging cable With different functions