This letsfit GPS smartwatch is a perfect fit for both men and women and it combines activity with oxygen blood monitoring. It offers multiple activity modes, has a built-in compass, very easy to charge, and with long battery life. It is compatible with iOS 9.0/Android 4.4 and above.
Pros
Multiple activity modes
Built-in compass
Up to 15 days of battery life
Up to 40 days of standby time
Smart notifications
Cons
Data is not downloadable
Not suitable for deep diving or water sports