Keep an eye on your health: Sleep tracker, sedentary reminder, heart rate/blood pressureoxygen monitoring Good helper for training: Pedometer, calories burned, distances, sports modes Good helper for daily life: When connected to the phone sync notifications (incoming calls reminder, messages)Bluetooth music Split screen weather, raise the wrist to wake-up watch, alarm, stopwatch, find my device, calculator Compatible with all devices ( iPhone / Samsung / Huawei )