To all the ones saying the GW4 has crappy battery life: CALM DOWN! Give it a couple of weeks. I was dissapointed at first , I was getting only 14 hours of battery lilfe but then I saw the recommendation on all the GW4 forums saying that I should let it learn your usage and calibrate. After 2 weeks I was getting 54 hours battery life and still do.Let me be clear. This is not the best sports tracking device. Get a dedicated sports watch like Garmin if you are obsessed with accurate steps or exercise tracking. Dont get me wrong, the GW4 will still give you a range with 20% of actual numbers so its useful if you are not that picky and you can still track your overall progress. Still , I use it for running and distance tracking is spot on.What this watch excels on is customization. You can change from casual to sports to formal watch in seconds, I am attaching some samples. There are TONS of accesories for it. The screen is beautiful, battery is good, its fast and smooth and apps are getting better and more available each month.I love mine more than I do my Apple Watch as I dont want another rectangle in my life, I want a proper, round watch.