Ultrahuman Ring AIR Smart Ring, Bionic Gold, Size 7 with charger

All functions work perfectly Excellent used condition Only worn for 6 months Charger INCLUDED!  Any light signs of wear do not affect functionality or performance in any way.  Originally purchased for $350.   Unlike many competitors, the Ultrahuman Ring AIR includes full app access with NO monthly subscription fees.  Features ✅ Tested & Fully Functional ✅ Excellent Used Condition ✅ Only Used Once ✅ Bionic Gold Finish ✅ Size 6 (AIR S06) ✅ No Monthly Subscription Required ✅ Premium Space-Grade Titanium Construction ✅ Tungsten Carbide Carbon Coating ✅ Medical-Grade Hypoallergenic Resin Interior ✅ Waterproof up to 100 meters (330 ft) ✅ Bluetooth Low Energy Connectivity ✅ Battery Life Up to 4–6 Days ✅ Sleep Tracking & Sleep Stages ✅ Heart Rate Monitoring ✅ Heart Rate Variability (HRV) ✅ Skin Temperature Monitoring ✅ Dynamic Recovery Score ✅ Circadian Rhythm Tracking ✅ Workout & Activity Tracking  Specifications * Brand: Ultrahuman * Model: Ring AIR * Color: Bionic Gold * Ring Size: 7 * Material: Space-Grade Titanium * Battery Life: Approximately 4–6 Days * Water Resistance: 100m / 330ft * Weight: Approximately 2.4–3.6g * Connectivity: Bluetooth Low Energy * Subscription: None Required  Perfect for anyone looking for a premium smart ring, advanced sleep tracker, recovery monitor, and Oura Ring alternative without recurring monthly fees.