"Stopwatch 3 in 1" has 3 major features: 1.General: *Count up and count down. *Alarm voice time point set. *Time record save. *time speak. 2.Calorie: That can help you to loss weight,and has below functions. *BMI and BMR Calculate. *4 kinds of sport calories Calculate. *Calorie goal set. *Calorie record. 3.Game score: You can note the game score,as basketball、football、baseball...all ball game. *Game time set. *Game score.