Rollme R3 smart ring was recently launched globally. The smart ring brings health and fitness-centric features such as a PPG sensor for heart rate and blood-oxygen monitoring, and tracking. It also builds upon the features of its predecessor, the Rollme R2 which debuted in March this year.Rollme R3 smart ring was recently launched globally. The smart ring brings health and fitness-centric features such as a PPG sensor for heart rate and blood-oxygen monitoring, and tracking. It also builds upon the features of its predecessor, the Rollme R2 which debuted in March this year.
