Jack Smart Ring Sleep & Activity Tracking | ELVYNHEALTH

A lightweight smart ring designed to log sleep, heart-rate, and step information. The supplier listing describes a 3.3 g design, wireless charging, gesture control, and compatibility with Android and iOS.

Options

• Ring sizes: 8–13
• Ring colors: black, silver, and rose gold
• A charging cable is listed as a separate option

Review the selected size and color carefully before checkout. Confirm device compatibility and charging instructions in the supplied guide. Tracking information is for general wellness use and is not a medical measurement or diagnosis.