A leak has revealed some of the features that Mobvoi will integrate in its future smartwatches. Reputedly, the TicWatch Pro 3 Ultra, TicWatch GTH+ and TicWatch GTH Pro will support advanced heart tracking features.
https://www.notebookcheck.net/Leaked-Mobvoi-TicWatch-Pro-3-Ultra-TicWatch-GTH-and-TicWatch-GTH-Pro-details-point-to-innovative-health-features.568476.0.html