Cactus Major Fitness Activity Tracker Black CAC 133 M01 brand@Reflex afterglow) Calendar: Full auto calendar afterglow) Calendar: Full auto calendar (to year 2099) Mute feature: Button operation tone on off Accuracy: ±15 seconds per month 12 24 hour format Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents battery operating time: *5 months on rechargeable battery (operation period with normal use without exposure to light after charge) *24 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy: ±15 seconds per month (with no mobile link function) Regular timekeeping: Analog: 3 hands (hour and step counting 4 & above iOS 8