IFit Duo Fitness Tracker Analog and digital displays- choose between two displays in one watch Style with fitness functionality- Fashion and function United in one watch All-day activity detection- automatically tracks all-day activity including steps, distance, and sleep Quick calorie logging, auto-activity detection, displays net Calories in real-time 3-Axis accelerometer, if it messaging, Smart phone notifications, water-resistant, automatic mode change, rechargeable Battery via USB cradle, interchangeable style and colored Bands, ble updated in field