R11 Smart Ring, Smart Ring Health Tracker, Health Ring, sliver (Size 10) NIB *

New in Sealed Box R11 Smart Ring, a health tracking device designed for both women and men. This silver-colored ring is a size 10 and features a sleep tracker, making it perfect for those who want to monitor their sleep patterns. It is also an activity tracker, making it ideal for those who enjoy running and jogging. R11 Smart Ring also has features for overall health tracking.