Sport Pulse watch waterproof: Variable heart rate displayed Stopwatch, calorie count green backlight waterproof 30M Multifuntional pulse watch, sport heart pulse rate calorie counter watch Material: ABSFeatures:Calendar: time and date can be in style of 12 hours or 24 hoursHeart rate tester: Max,Min average and present heart rateAlarm when the heart rate goes too fastStop watch, 35 laps,1/100 ...