Enchanted Enamel Smart Ring – Titanium, Waterproof, Sleep & Health Tracker

💍 DuoMai Smart Ring – Key Features

🌡️ 24/7 Health Monitoring
Track heart rate, blood oxygen, and blood pressure in real-time — anytime, anywhere.

😴 Advanced Sleep Tracking
Automatically records deep and light sleep, fall-asleep and wake-up times, and offers weekly reports to help improve your sleep habits.

🏃 Activity & Multi-Sport Modes
Monitor steps, calories, distance, and workout routes. Supports running, cycling, yoga, golf, hiking, and more.

🔋 Long Battery Life + Charging Case
3–5 days on a single charge. Includes a 400mAh charging case for up to 60 days of extended use — perfect for travel.

📱 Free Lifetime App Access
No subscription fees. All data syncs to the app for lifetime use at no extra cost.

💎 US Ring Sizing Standard
Fits true to US ring sizes. We recommend purchasing the DuoMai Sizing Kit to ensure your perfect fit.