RENPHO Lynx Smart Ring – All-Day Sleep & Activity Tracking (Silver, Size 13)

Meet the RENPHO Lynx Smart Ring

The RENPHO Lynx Smart Ring is a discreet, comfortable wearable designed to blend into daily life while gathering rich data about sleep, activity, and overall daily performance. Built with a titanium exterior and a lightweight profile, Lynx is crafted for all-day wear, rain or shine, thanks to its 5ATM water resistance and durable construction. A dedicated charging case keeps power ready during travel or busy weeks, helping you stay connected to your wellness data without interruption.

Pairing with the Renpho Health app on iOS or Android, Lynx offers a seamless, subscription-free experience. It can also synchronize with Apple Health and Google Health Connect, offering a wider view of your health data across apps. The combination of long battery life, precise sensing, and a comfortable fit makes Lynx a practical companion for everyday monitoring and gentle goal pursuit.

What Lynx tracks

• Sleep quality, duration, and evolving nightly patterns to help you spot trends
• Blood oxygen levels (SpO2) during rest and activity for context about your day
• Heart rate and stress indicators, with continuous data during activities
• Steps taken, distance traveled, and calories burned across daily routines
• Fitness activities such as walking and running, with cadence and pace insights

Smart features and ecosystem

• No subscription fees—data lives in the Renpho Health app for easy access
• Syncs with Apple Health and Google Health Connect for an integrated wellness view
• 7-day battery life on a single charge, plus a charging case for travel reliability
• 5ATM waterproof and a titanium exterior designed for durability and daily wear

Durability, comfort, and fit

The Lynx ring balances a premium feel with practical comfort. A refined chip and sensor deliver reliable data, while the titanium shell stays cool and durable during daily activities, workouts, and weekend adventures. Its low-profile design aims to disappear at work, on errands, or during exercise, making it a versatile health companion.

Sizing and setup

Fit starts with the right size. The Lynx uses a unique sizing system, so begin with the official RENPHO Sizing Kit before purchase to find your best fit. For accurate readings, align the orientation indicator toward your palm and remove the ring before handling slippery substances.