The Watch Free is OPPO's latest fitness tracker, and is equipped with an AMOLED display at a decent price. It supports up-to-date features such as over 100 sports modes and tracking for various health metrics. The new tracker-style wearable also offers something new the OEM calls its "eSports Mode".
https://www.notebookcheck.net/The-OPPO-Watch-Free-is-a-new-fitness-wearable-with-payment-support-and-an-esports-mode.566255.0.html