The January 2021 update has brought new features and improvements to the Huawei Watch Fit, one of the Chinese company's cheaper smartwatches. The Watch Fit can now measure SpO2 levels periodically and manually split workout routines, among other changes. The update is rolling out now via the Huawei Health app.
https://www.notebookcheck.net/The-Huawei-Watch-Fit-receives-new-features-in-its-latest-software-update.518180.0.html