I am amazed by the number of amazing features that are packed in this simple watch. However, if you are looking for a sports smartwatch, don't buy this watch. If you are looking for an Oxygen, heart rate monitor and all those fancy things on the Apple Watch, don't by this watch.
This watch is for those who are looking for a WATCH that gives you: app alerts; 'Silent' alarms; sleep tracking; step counter; weather; music control. Simple stuff that would not drain your battery.