The screen display is decent with nice and vibrant colors. Sleep tracking works really well and is accurate. Heart rate monitoring works fine unless you do intensive workouts then it will struggle a bit to accurately measure the sudden increase in heart rate. Most of the activity modes have the same functionality with time, calories, heart rate measured. Only the major exercises like running, treadmill etc have more information given like pace, speed, cadence, stride etc. Battery life is good with all stress and heart rate monitoring turned all constantly getting around 10 days. Only downside is the Huawei health app which asks a lot of...view more