Description
Your Health, Right on Your Finger
The R04 Smart Health Ring combines advanced biosensor technology with a sleek, durable 316L stainless steel design. Monitor your vitals 24/7 — without the bulk of a traditional smartwatch.
Professional Health Tracking in a Sleek Ring
The R04 Smart Health Ring is your ultimate 24/7 health companion. Equipped with a high-precision STK8321-W biosensor chip and Bluetooth 5.4 connectivity, it delivers real-time biometric data directly to your smartphone via the QRing app. Whether you're tracking your sleep quality, monitoring heart rate variability (HRV), or counting steps during a workout, the R04 delivers lab-grade accuracy in a lightweight, wearable ring.

Key Features & Benefits
❤️ 24/7 Heart Rate & SpO2 Monitoring
Get continuous, real-time data on your heart rate, blood oxygen saturation (SpO2), and heart rate variability (HRV). The R04 tracks your cardiovascular health throughout the day and night, providing valuable insights into your overall wellness and recovery levels.
🌙 Advanced Sleep & Stress Tracking
Analyze your sleep stages (light, deep, REM), sleep duration, and quality score. Combined with all-day stress monitoring, the R04 helps you understand how daily activities impact your rest and recovery — so you can optimize both.
🏃 Multi-Sport Modes & Activity Tracking
Track steps, distance, and calories burned across multiple sport modes including running, cycling, walking, and more. The built-in accelerometer ensures accurate motion tracking for every workout.
💧 5ATM Waterproof — Swim, Shower, Dive
With 5ATM (IP68) water resistance, the R04 is built for real life. Wear it while swimming, showering, or diving up to 50 meters deep — no need to take it off, ever.
🔋 5-7 Day Battery Life + Magnetic Quick Charging
Enjoy up to 5-7 days of continuous use on a single charge, with up to 15 days standby. The included magnetic USB charging cable makes recharging effortless and fast.

Premium Materials, Sleek Design
Crafted from high-grade 316L stainless steel with a resin inner band, the R04 is corrosion-resistant, skin-friendly, and built to withstand daily wear. The ultra-lightweight design weighs just 2.5g, ensuring a barely-there feel that's comfortable for all-day and all-night wear. Available in multiple sizes (7-13) to fit every finger perfectly.

Smart Features for Daily Convenience
- Remote Camera Control — Use your ring to snap photos remotely on your smartphone.
- QRing App Integration — Sync all your health data seamlessly with the dedicated QRing mobile app (iOS & Android compatible).
- Female Health Tracking — Includes physiological cycle reminders and management tools.
- Gesture Control — Navigate your connected device with simple finger gestures.
- Bluetooth 5.4 Connectivity — Faster pairing, stronger connection, and lower power consumption compared to previous generations.

Technical Specifications
| Material | 316L Stainless Steel + Epoxy Resin Inner Band |
| Waterproof Rating | 5ATM (IP68) — Safe for Swimming & Showering |
| Sensors | Heart Rate (PPG), SpO2, Accelerometer, Skin Temperature |
| Sensor Chip | STK8321-W |
| Bluetooth Version | Bluetooth 5.4 |
| Battery Life | 5-7 Days Continuous Use / 15 Days Standby |
| Battery Capacity | 15mAh (18mAh for Size 9 and Above) |
| Charging Method | Magnetic USB Charging (Cable Included) |
| Weight | Approx. 2.5g |
| Available Sizes | 7 / 8 / 9 / 10 / 11 / 12 / 13 |
| Compatibility | iOS 9.0+ / Android 5.0+ / HarmonyOS |
| App | QRing (Available on App Store & Google Play) |
| Available Colors | Silver / Black / Gold / Rose Gold |

Why Choose the R04 Smart Health Ring?
2.5g
Ultra-Lightweight
5-7 Days
Battery Life
5ATM
Waterproof
24/7
Health Monitoring
What's in the Box
✅ R04 Smart Health Ring ×1 | ✅ Magnetic USB Charging Cable ×1 | ✅ User Manual ×1 | ✅ Gift Box Packaging


