OPPO's Inno Day 2019 event was mostly dominated by upcoming products such as its AR headset. However, it also teased new wearables that may launch soon as well. They are a new pair of truly wireless (TWS) earbuds, as well as a square-faced smartwatch.
https://www.notebookcheck.net/OPPO-drops-glimpses-of-its-2020-smartwatch-and-truly-wireless-earbuds.447041.0.html