This Oura ring was only worn when I slept.  No daytime use.  It is in mint, like new condition.  Comes with box and 2 chargers, no USB-C cords.  It is size 9. 

The Oura Ring Gen 4 in Size 9, Brushed Silver is a high-quality activity tracker designed for both indoor and outdoor use. It features advanced sensors such as an accelerometer and provides accurate heart rate monitoring, sleep tracking, and temperature readings. With a battery life of up to 7 days and compatibility with both iOS and Android operating systems, this unisex fitness technology is perfect for the individual looking to track their performance and overall health.

• ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night

• LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments

$ssg={bRsTiming:false,iST:$ssgST,st1a:107,sUrl:"https://sofe.ebay.com/ws/web/SojPagePerf?cmdname=videsc&s_app_name=r1vinode&pagename=videsc&cxy=r1vinodecont-69959c7d98-tess148-zprss&s_host=r1vinodecont-69959c7d98-tess148-zprss&s_10s=&st1=1778032888657",fsom:false,manifestId:"r1vinode-2.0.0_20260430213424916",s_env:"production",durationThreshold:40,aChunktimes:[24,107]};