Blood oxygen & Blood pressure Monitoring. Steps, Calories, Distance (Auto) & Breathing Training. Weather forecast, Calculator, Calendar, Remote Camera Control, Stopwatch, Music, Low Battery Reminder etc. Big battery 350 mAh, Normal Use: 7 days; Standby: 20 days. Distance Monitoring For Walking, Running, Hiking, Cycling, Swimming, Rope skipping, Badminton, Football, Cricket etc.