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.
Multiple activity modes
Up to 15 days of battery life
Up to 40 days of standby time
Data is not downloadable
Not suitable for deep diving or water sports