1.Dynamic ecg monitor & analysis 2.Dynamic heart rate monitor & analysis 3.Waterproof grade:ipx7 4.Exercise data record 5.Calories burned calculation 6.Examination before exercise 7.Fatigue analysis 8.Sub-health detect 9.Battery:200mah, 8 months normally use, 36 months standby 10.Applicable models:iphone 4s and higher, android 4.3 and higher -