The screen resolution is poor, don't expect to see sharp display, you can even increase the brightness to the maximum or top level and you still don't get a sharp display screen, always a kind of blurry display in the back.without using the GPS battery can last 6 days, I have messages and the music is

Also, the screen resolution is poor - nowhere close to the crisp graphics shown online.

Highly inaccurate heart rate and screen resolution is poor.

I had a night where I kept waking up all the time, but it showed me sleeping the whole time.— Proprietary charging cable instead of usb-c

Of course, the window to return the item has passed, but I would not recommend I'd you're looking to use the swim feature.