1.43″ AMOLED Display Bluetooth calling, Answer incoming calls, Message notifications Black Stainless Steel Case 46mm Black Fluoroelastomer Strap Water Protection up to 50 meters Functions: Heart rate measurement, Sleep quality measurement, Stress level, Alarm clock, Calendar, Date, Alarm, Stopwatch, Smartphone notifications, Pedometer, Step goals, Calorie counter Multi sport function: Training programs, Walking, Running, Cycling, Rowing, Swimming