Detailed Size Comparison Chart for Easy Selection
A complete breakdown of inner diameters and perimeters helps users confidently select the size that best fits their needs.

Advanced Blood Glucose Trend Tracking for Daily Wellness
The Carelders R18 Smart Ring brings blood glucose trend tracking to your fingertips, helping you understand daily fluctuations through real-time optical sensing and intuitive app-based charts. Designed for users who want continuous, accessible insights into their overall wellness.

Premium Enamel Craftsmanship with Waterproof Protection
Crafted with a waterproof enamel design, the R18 features a smooth, jewelry-grade exterior that combines durability with refined aesthetics. Its elegant finish makes it suitable for everyday wear in both casual and professional settings.

Precision Internal Architecture for Accurate Tracking
The internal design optimizes sensor alignment, circuitry, and signal pathways to support more stable wellness monitoring. This structural engineering ensures efficient operation while maintaining a compact, comfortable form factor.

Crystal Charging Case with Magnetic Docking
The R18 is paired with a crystal-clear charging case featuring magnetic alignment for fast and secure charging. Its compact shape makes it ideal for nightstands, desks, and travel.

Traditional Cloisonné Enamel Technique
Each ring uses a cloisonné enamel process, where color is chiseled and filled by hand to create long-lasting vibrancy and depth. This blend of art and technology sets the R18 apart from standard wearable devices.

Comfortable Fit with Sizes 6–13
Designed for comfort during sleep, activity, and daily wear, the R18 is available in sizes 6–13 to accommodate a wide range of finger shapes. A proper fit ensures optimized sensor performance and all-day stability.

PPG Optical Technology for Blood Glucose Trend Insights
Utilizing PPG optical sensing, the ring reflects changes in blood flow to help visualize blood glucose trend insights throughout the day. Combined with algorithmic interpretation, it delivers an accessible view of your wellness patterns.

Efficient AC6323 Smart Chip Performance
Powered by the AC6323 intelligent chip, the R18 offers enhanced processing stability, energy efficiency, and smoother wellness data collection. Its optimized power use supports multiple days of continuous tracking.

Simple Finger Measuring Method for Accurate Sizing
Wrap a thin wire around your finger, mark the overlap, measure the length, and compare it to the size chart. This quick process ensures you choose the most accurate fit for optimal comfort and performance.

Smart Sleep Monitoring for Better Recovery
The R18 tracks deep sleep, light sleep, and REM cycles, giving you actionable insight into your nightly recovery. Detailed app analytics help improve sleep habits and energy levels.

Family Health Sync for Shared Wellness Awareness
Use the app’s family health sync feature to connect with loved ones and stay informed about their daily wellness metrics. Ideal for supporting older family members or monitoring shared health goals.

Real-Time Exercise Tracking for Active Users
During workouts, the ring records heart rate, movement routes, and activity duration. Whether you’re running, walking, or cycling, the R18 provides useful data to help you stay motivated.

Remote Photo Capture with Gesture Control
Activate the app’s photo function and use subtle gesture control to take pictures hands-free. This feature makes group photos, creative shots, and travel photography significantly more convenient.

IP68 Waterproof Rating for Confident Daily Use
Designed with IP68 waterproof protection, the R18 can withstand water exposure such as handwashing, showers, and outdoor activities, ensuring durability in everyday environments.

Detailed Technical Specifications
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Rose Gold Enamel finish
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AC6323 main chip
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GH3018 PPG sensor
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20mAh battery
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IP68 waterproof rating
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3.8g lightweight build
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Magnetic charging system
