Smart Ring Size 9 Black - Health Tracking with Heart Rate & Blood Oxygen (Open Box, Like New)

Open Box - Like New Condition

Advanced smart ring featuring comprehensive health tracking capabilities in a sleek black finish. This intelligent wearable monitors your heart rate, blood oxygen levels, sleep patterns, and activity data 24/7. With IP68 water resistance, Li-ion polymer battery, and OTA update support, this smart ring combines cutting-edge health technology with everyday wearability.

Key Features:

• ❤️ Heart Rate Monitoring - Continuous heart rate tracking throughout the day and night
• 🫁 Blood Oxygen (SpO2) Monitoring - Track your blood oxygen saturation levels
• 😴 Sleep Data Tracking - Comprehensive sleep analysis including sleep stages and quality
• 📊 Active Data Tracking - Monitor steps, calories, distance, and activity levels
• 💧 IP68 Water Resistance - Waterproof design for swimming, showering, and all-weather wear
• 🔋 Li-ion Polymer Battery - Long-lasting rechargeable battery
• ⚡ Wireless Charging - Convenient charging base included
• 📱 OTA Support - Over-the-air updates for new features and improvements
• 🌡️ Wide Operating Range - Functions in temperatures from 0-50°C (32-122°F)
• ✨ Sleek Black Design - Modern, discreet aesthetic for any occasion

Health Tracking Features:

• 💓 24/7 Heart Rate: Continuous monitoring with alerts for abnormal readings
• 🩸 Blood Oxygen (SpO2): Track oxygen saturation levels for fitness and wellness insights
• 🛌 Sleep Analysis: Deep sleep, light sleep, REM stages, and sleep quality scores
• 🏃 Activity Tracking: Steps, calories burned, distance traveled, and active minutes
• 📈 Health Trends: View historical data and trends in the companion app
• ⚠️ Health Alerts: Notifications for irregular heart rate or low SpO2 levels

Technical Specifications:

• Battery Type: Li-ion polymer battery
• Operating Temperature Range: 0-50°C (32-122°F)
• Water Resistance: IP68 (waterproof for swimming and showering)
• Package Contents: Smart Ring, Charging Base, Quick Guide Leaflet
• OTA Support: YES (over-the-air firmware updates)
• Features: Active Data, Heart Rate, Blood Oxygen, Sleep Data tracking
• Size: 9 (US ring size)
• Inner Diameter: Approximately 19.0mm
• Color: Black
• Made in China
• Certifications: FC, CE, RoHS compliant

What's Included:

• 1 Smart Ring (black, size 9)
• 1 Wireless Charging Base (white with LED indicator)
• 1 USB Charging Cable
• Quick Guide Leaflet
• User Manual
• Original retail packaging

How to Use:

1. Charge: Place the ring on the wireless charging base and connect to power via USB
2. Download App: Scan the QR code on the package to download the companion app
3. Pair: Open the app and follow instructions to pair your smart ring via Bluetooth
4. Wear: Put on the ring (size 9 fit) - wear consistently for accurate health tracking
5. Sync: Data automatically syncs to your smartphone app throughout the day
6. Monitor: View your health metrics, trends, and insights in the app
7. Update: Receive OTA updates automatically for new features

Compatibility:

• ✅ iOS devices (iPhone with iOS 12.0 or later)
• ✅ Android devices (Android 6.0 or later)
• ✅ Bluetooth 5.0 or higher
• ✅ Companion app available on App Store and Google Play

Perfect For:

• 🏃 Fitness enthusiasts tracking workout intensity
• 💤 Anyone wanting to improve sleep quality
• ❤️ Health-conscious individuals monitoring vital signs
• 🏔️ Athletes training at altitude (SpO2 monitoring)
• 👴 Seniors monitoring heart health
• 💼 Professionals who want discreet health tracking
• 🏊 Swimmers and water sports enthusiasts (IP68 waterproof)
• 🎁 Tech-savvy gift recipients

Size Information:

Size 9: Inner diameter approximately 19.0mm (US ring size 9). This is a popular size that fits most average to larger fingers.

Tip: Measure your finger or an existing ring to ensure the best fit. Smart rings should fit snugly but comfortably for accurate sensor readings.

Health Insights You'll Get:

• 📊 Resting heart rate and heart rate variability (HRV)
• 🫁 Blood oxygen saturation trends and patterns
• 😴 Sleep duration, efficiency, and stage breakdown
• 🔥 Daily calorie burn and activity levels
• 📈 Weekly and monthly health trend reports
• ⚡ Readiness scores based on recovery metrics
• 🎯 Personalized health recommendations

Benefits:

• ✅ Comprehensive health monitoring in a discreet form factor
• ✅ No screen distractions - focus on living, not checking your wrist
• ✅ Waterproof for all activities including swimming
• ✅ Long battery life with wireless charging convenience
• ✅ Continuous updates via OTA for improved features
• ✅ Comfortable for 24/7 wear including sleep
• ✅ Accurate sensors for reliable health data
• ✅ Stylish black design works with any outfit

Battery & Charging:

The Li-ion polymer battery provides multi-day battery life depending on usage. Simply place the ring on the included wireless charging base when needed. The LED indicator shows charging status. Full charge typically takes 1-2 hours.

Condition: Open box, like new - smart ring has been inspected and is in excellent condition. All health tracking sensors tested and fully functional. Includes ring, wireless charging base, USB cable, quick guide, and user manual. Minimal to no signs of wear. Black finish is pristine. Original packaging included.

Size 9 in Black: This listing is for size 9 in black finish. The ring features advanced health sensors embedded within a sleek, lightweight black design.

Important Health Note: This smart ring is designed for general wellness and fitness purposes. It is not a medical device and should not be used to diagnose, treat, cure, or prevent any disease. Always consult with healthcare professionals for medical advice.

Privacy & Data Security: Your health data is encrypted and stored securely. You control what data is collected and shared. Review the app's privacy policy for complete details.

Water Resistance: IP68 rating means the ring can withstand submersion in water up to 1.5 meters for 30 minutes. Safe for swimming, showering, and water sports. Not suitable for diving or high-pressure water activities.