Renpho - Smart Ring Health Tracker, Sleep Activity Monitor Long Battery No Subscription Titanium - Black - (2025)
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About this product
Since the size of a Lynx smart ring differs from standard jewelry ring sizes, please purchase a sizing kit to find your perfect size and then purchase the Lynx health smart ring. The sizing kit includes 8 ring sizers (sizes 6-13) and a quick-start guide for this measuing tool to help measure your ring size more accurately.
Color
BlackComprehensive Health Tracker
Renpho smart ring can monitor your sleep, exercise, stress, health data to calculate your personalized daily health score, help you to manage your health accurately and efficiently.
Fitness Activity Tracking & Sleep Monitoring
Renpho smart fitness ring tracks detailed activity data (steps, calories burned, walking distance,etc.) to help you easily achieve your fitness goals. The smart ring can record your sleep duration and sleep stages to evaluate your sleep quality and help you improve your quality of life and physical and mental health.
Long Battery & Convenient Charging & No Subscription Fee
The smart health ring boasts a 7-day battery life and includes a charging case for two full convenient charges of the ring when going out and safe storge. The Renpho Lynx smart ring connects seamlessly with the Renpho Health App, free of subscription fees. Compatible with iOS and Android, it syncs with Apple Health and Google Health Connect.
5 ATM Waterproof & Titanium Material
With 5ATM waterproof ensures you can wear the smart wareable ring while washing hands, swimming, or in rainy conditions without needing to remove it or worry about water damage. The smart ring features a titanium material, offering both durability and lightweight comfort.
Advanced Chips and Sensors
Empowered with advanced chips and sensors, the smart ring provides you with more accurate, real-time, and multi-dimensional data monitoring and analysis, ensuring high performance and reliability.
- Touch ScreenNoOperating System CompatibilityAndroid, Apple iOSOperating SystemApple iOSApp CompatibleYesBuilt-in Storage0 gigabytesUsage Time144 hours
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Since the size of a Lynx smart ring differs from standard jewelry ring sizes, please purchase a sizing kit to find your perfect size and then purchase the Lynx health smart ring. The sizing kit includes 8 ring sizers (sizes 6-13) and a quick-start guide for this measuing tool to help measure your ring size more accurately.

The RingConn® Gen 2 Air Smart Ring integrates AI with multi-sensor data to continuously track key health metrics like sleep, heart rate, stress levels, blood oxygen, physical activity, and menstrual cycles. Its built-in AI assistant delivers your personalized report and guidance to enhance your wellness and daily habits. Unlock the lifetime use of essential standard features on the RingConn® Smart Health Monitoring Partner app with your RingConn® Gen 2 Air Smart Ring. Experience continuous, real-time health tracking and personalized insights. Please note - before you order, be sure to review the Sizing Guide, as seen in the images section, as RingConn® ring sizes are different than those used in the US. Or better yet, size before you buy so you’ll know for sure - order the Gen 2 Ring Sizing Kit first (which also works for Gen 2 Air), sold separately.

Track your sleep, activity, and heart rate without any monthly fees. This smart ring measures your heart rate automatically every 30 minutes and provides real‑time sleep cycle analysis, step count, calories burned, and exercise performance. The built‑in battery lasts 2‑3 days, and the included charging case extends total use to over 10 days. It’s waterproof up to 80 meters – wear it while swimming, sweating, or washing hands. No app subscription needed – full features are free forever. Works with iOS and Android. Before ordering, please measure your finger circumference using the size chart to ensure a perfect fit. A great choice for anyone who wants continuous health tracking without a bulky watch.

The RingConn® Gen 2 redefines health tracking. It is a full-featured smart ring designed for seamless, everyday wear. The digital ring offers automatic sleep apnea monitoring to help you optimize rest and an ultra-slim, lightweight build that merges comfort with style. You also get an impressive 10 to 12 days of battery life (up to 150 days with its portable charging case), quick charging, and with our RingConn® EcoPower technology, we've refined optical pathways and enhanced algorithms to achieve reduced power consumption while maintaining familiar performance levels. Best of all, you’ll get comprehensive monitoring with no subscription fees. Please note - before you order, be sure to review the Sizing Guide, as seen in the images section, as RingConn® ring sizes are different than those used in the US. Or better yet, size before you buy so you’ll know for sure - order the Gen 2 Ring Sizing Kit first, sold separately.
| Pros for Renpho - Smart Ring Health Tracker, Sleep Activity Monitor Long Battery No Subscription Titanium - Black - (2025) | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Battery Life, Health Tracking |
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