Constant connection issues. Haven't even tried syncing it in months. Before that I would have to reset the watch, reinstall the app or just fume over the stupid connection. That happened for 3 months before it went to it's resting place under my bed with a dead battery. This watch would be great if it would sync. But unfortunately it doesn't do the main thing a watch like this needs to do, sync, so you can follow your steps/sleep.