Minimalist Metal Smart Ring

Features Smart ring with clean minimalist metal finish in black, silver, and gold colors Tracks heart rate, blood oxygen (SpO2), sleep, and daily activity Monitors steps, distance, calories, and supports multiple sport modes Gesture control for photo capture and short video interaction Built-in display for time and battery status Lightweight design (~3.4g) for comfortable everyday wear Sweat-resistant for daily use and workouts Compatible with Android, iOS, and HarmonyOS devices Specifications Brand: KUNNWELL Model: SY15 Battery Capacity: 16mAh Weight: Approx. 3.4g Sizes: #7–#13 Material: Titanium steel Compatibility: Android 9.0+, iOS 10.0+, HarmonyOS Functions: Heart rate, blood oxygen, sleep tracking, step count, distance, calories, multi-sport modes, gesture control, photo capture, battery display, clock display Waterproof: Sweat-resistant / daily use Charging Method: Magnetic charging Package Includes: Smart ring, charging cable, manual, packaging box Color: Black, Silver, Gold