RENPHO Lynx Smart Ring – All-Day Sleep & Activity Tracking, 7‑Day Battery, Charging Case, No Subscription

Meet the RENPHO Lynx Smart Ring

The RENPHO Lynx Smart Ring blends a sleek titanium exterior with wearable intelligence designed for everyday life. With its 5ATM waterproof rating and a focused, comfortable fit, it’s built to accompany you from morning routines to evening wind-downs. A charging case keeps the ring powered on the go, so you can rely on your data without interruption.

What you can track at a glance

• Sleep duration and quality, including time in bed and movement during the night
• Blood oxygen levels (SpO2) for a broad view of resting and activity periods
• Stress proxy, heart rate, and daily activity metrics like steps and distance
• Calories burned during daily activities and workouts

Whether you’re walking, running, or winding down after a long day, Lynx captures reliable data to help you understand your daily rhythms and fitness progress. The insights are presented in a practical, non-pressuring way—perfect for exploring possibilities rather than promising specific outcomes.

No subscription required, smooth app connectivity

Pair the Lynx Ring with the Renpho Health App with no ongoing fees. It syncs with popular health ecosystems, including Apple Health and Google Health Connect, so you can see a unified view of your metrics across devices.

• Automatic syncing to your iPhone or Android device
• Easy data access for personal tracking and goal setting

Powerful battery and smart design

The Lynx Ring offers up to seven days of use on a single charge and includes a charging case for convenient top-ups during travel or business trips. The durable titanium exterior is designed for 24/7 wear, with a comfortable fit that supports all-day monitoring, rain or shine.

Fit, wear, and care

To ensure the most accurate measurements, follow the provided sizing kit before purchasing. Wear the ring with the orientation indicator facing your palm, and remove it if your hands encounter slippery substances to prevent it from slipping off.

Durable, practical, and ready for life on the move

From lounging at home to outdoor adventures, the Lynx Ring is built to accompany you across varied environments. Its combination of precise sensing, long battery life, and a case-friendly charging solution makes it a dependable companion for daily health monitoring and lifestyle tracking.

What’s included and eligibility

Includes a charging case for on-the-go power. The Lynx Ring is compatible with common health apps and is eligible for flexible spending accounts in many regions, helping you streamline purchases alongside other wellness tools.