R20 Ceramic Smart Ring – NFC, Heart Rate & Sleep Tracker

Meet the R20 Ceramic Smart Ring — the ultra-thin, stylish wearable that keeps your wellness and daily activity data right at your fingertips (literally). Crafted from premium ceramic and weighing just 5 grams, this sleek ring blends seamlessly into any lifestyle, whether you're heading to the gym, the office, or out for the night.

Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease. Health metrics tracked by this device are for general wellness and fitness monitoring purposes only. This statement has not been evaluated by the Food and Drug Administration.

Why You'll Love the R20 Smart Ring

• Comprehensive Health Tracking: Monitors heart rate, blood oxygen levels, blood pressure trends, and sleep quality — all from a ring on your finger.
• Activity Intelligence: Tracks steps, distance, and calories burned across 8 sports modes including running, cycling, yoga, hiking, golf, dancing, skipping, and mountaineering.
• Ultra-Long Standby: Up to 45 days standby and 3–5 days working time per charge, with a fast 30-minute charge time via the included charging case.
• IP68 Waterproof (5ATM): Swim, shower, or sweat worry-free — this ring is built to go wherever you do.
• NFC Enabled: Use NFC for quick access control, contactless interactions, and more.
• Precision Sensors: Features the Goodix GH3018 heart rate sensor with 98%+ static accuracy and SC7A20H G-sensor for reliable motion data.
• App-Connected: Pairs with your smartphone (Android 5.1+ / iOS 8.0+) for real-time insights, historical data, remote camera control, and family care features.
• Unisex Design: Available in sizes 8–12 in classic black ceramic — a perfect gift for men and women alike.

Product Specifications

Getting Started

1. Upon receiving your ring, charge it using the included charging adapter for at least 2 hours before first use.
2. Download the companion app by scanning the QR code in the included manual.
3. Pair via Bluetooth and start tracking your wellness journey right away.

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Learn More About Smart Wearables & Health Monitoring

For guidance on how wearable devices can support your wellness goals, visit the CDC Physical Activity Resource Center.

Frequently Asked Questions

Q: Is the R20 Ceramic Smart Ring compatible with iPhones and Android phones?

A: Yes! The R20 Smart Ring is compatible with Android 5.1 and above, as well as iOS 8.0 and above. Simply download the companion app via the QR code in the manual to get connected.

Q: How waterproof is the R20 Smart Ring?

A: The R20 features an IP68 waterproof rating with 5ATM water resistance, meaning it can withstand submersion in water and is fully suited for swimming, showering, and sweaty workouts.

Q: How long does the battery last and how do I charge it?

A: The R20 Smart Ring offers up to 3–5 days of working use and up to 45 days on standby. It charges in just 30 minutes using the included charging case — simply place the ring in the case and connect via the provided cable.

Q: What health and fitness metrics does the R20 Smart Ring track?

A: The R20 monitors heart rate (with 98%+ accuracy), blood oxygen levels, blood pressure trends, sleep stages, daily steps, distance, and calorie burn. It also supports 8 sport modes including running, cycling, yoga, hiking, golf, dancing, skipping, and mountaineering.

Q: Can I use NFC on the R20 Smart Ring?

A: Yes, the R20 Smart Ring supports NFC functionality, enabling contactless access control and other NFC-compatible interactions depending on your region and setup.