Used Limited Release Gucci Oura Ring Size 18 (US 10 equivalent) w/ 18k gold PLEASE NOTE: This item does NOT come with lifetime membership as this has been activated with another email address previously. Ring looks like new and works perfectly. Only worn a handful of times. All original accessories & packaging are included - charging cable, charging puck, box & manuals, and ring. Smokefree household The House's Interlocking G logo framed by a gold braided trim, as well as Ōura's research-grade sensors tracking heart rate, temperature, and sleep activity. •Titanium, black PVD band with allover Interlocking G motif •Band width: .3" •Monitors: sleep, activity, readiness, heart rate, respiratory rate, movement, and temperature •Water-resistant up to 100 meters (330 feet) •Rechargeable battery with an average life of 4-7 days •This is not a medical device