Rollme is no longer a brand.
Rogbid - Ckyrin are the brands on this project.
The M10 (Panda) Android 7.1.1 M6739 and M11 (reports of Android 10 M6762) are beginning to appear on sale.
So far only the Panda has appeared:
Rogbid Panda 4G LTE Smart Watch Phone 2021 3GB 32GB GPS Dual Camera 13MP IP68 5ATM Waterproof Smartwatch Men for Xiaomi Huawei|Smart Watches| - AliExpress
See the post regarding the questionable specs below.
Be warned !