The Circular Ring Slim is a new smart ring that is now available. It is said to have numerous functions and is compatible with both Android and Apple smartphones. A vibration motor is built in.
Автор: notebookcheck.net
Источник: https://www.notebookcheck.net/Circular-Ring-Slim-Smart-ring-is-available-at-a-low-price-offers-SpO2-HRV-vibration-motor-and-smart-wake-up.768871.0.html