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LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring
LYNX Smart Ring

2026 BFCM Early Bird

15% off any order · 20% off $200+

Early bird price applied automatically at checkout.

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Health Tracking

HSA | FSA

LYNX Smart Ring

7/24 health monitor that wraps entirely around your finger.

4.7
Rated 4.7 out of 5 stars
4,244
$179.99 $199.99

Details

  • • Activity Tracking
  • • Sleep Monitoring
  • • Heart Rate Monitoring
  • • SpO2 Monitoring
  • • Mental Stress Monitoring
  • • Women's Health
Select a Color
Select a Size
18-Month Warranty
30-Day Money-Back Guarantee
Shipping Free
Description

Comprehensive Insights

  • Monitor your sleep, blood oxygen levels, stress, heart rate, steps, distance, and calories burned.
  • The RENPHO LYNX Smart Ring can also track fitness activities such as walking and running, gaining detailed insights to support your fitness goals.

No Subscription Fees

  • Seamlessly connect the RENPHO LYNX Smart Ring with the Renpho Health App—no subscription fees required.
  • Compatible with both iOS and Android, the App syncs with Apple Health and Google Health Connect.

Convenient Charging

  • The RENPHO LYNX Smart Ring boasts a 7-day battery life and includes a charging case for an extra charge and safe storage while out, eliminating the risk of loss.
  • Ideal for long-term travel or business trips, ensuring your ring is always powered and ready for your adventures.

All-Day Wear

  • 5ATM Waterproof and designed with titanium exterior for 24/7 wear, the RENPHO LYNX Smart Ring endures activities like swimming and hiking, making it a reliable companion for tracking your health and fitness data come rain or shine.

Precision Tracking at Your Fingertip

  • Empowered by a sophisticated chip and sensor, the RENPHO LYNX Smart Ring is meticulously designed to offer precision and reliability in data tracking and serves as your personal health consultant anytime, anywhere.

HSA/FSA Eligible

  • The RENPHO LYNX Smart Ring is eligible for purchase with most Flexible Spending Accounts (FSA) and Health Savings Accounts (HSA).

Wearing Guide

  • To ensure the most accurate measurements, please make sure the orientation indicator is facing towards your palm.
  • In addition, please remove the RENPHO LYNX Smart Ring before applying slippery substances to your hands to prevent it from falling off.
Overview
App Feature
Reviews

12 Days,

Single Charge

Rugged Durability

Crafted in titanium alloy

Sleek Case

Adds up to 1 week of
extended use

See More Than a Number. See Your Progress.

Meet your wellness concierge—health, guided and empowered.

Heart Rate Monitoring
Sleep Analysis
Activity Monitoring
Health Index
Mental Stress
Women's Health
Heart Rate Monitoring
Sleep Analysis
Activity Monitoring
Health Index
Mental Stress
Women's Health

Health Tracking Made Easy

Health Index

Stay on top with your health data summarized into a daily percentage score

Stress Level

Recognize the patterns and fluctuations in your mood that are closely tied to your daily routine.

Blood Oxygen (SpO₂)

See how effectively your circulatory system is at delivering blood throughout your body.

Heart Rate

Keep a record of your beats per minute and heart rate variability.

Steps & Distance

Count your total number of steps in a day. Walking distance calculated based on the number of walking or running steps adjusted for your height.

Exercise

Record your heart rate zone intensity during exercises like running, walking, hiking, and swimming.

Calories

Understand the calories burned while your body is resting and during active exercise throughout the day.

Sleep Cycle

Uncover your typical sleep patterns and explore sleep cycle periods that occur while resting.

Sleep Score

Instant insights that enhance your understanding of sleep and recovery at night.
  • LYNX Smart Ring - Silver or Black
  • Sizing Kit (Optional)
  • Charging Case
  • Charging Cable
  • User Manual

Details

  • Band Material Type: Stainless Steel
  • Water Resistance Level: Waterproof
  • Human Interface Input: Buttons
  • Water Resistance Depth: 50 Meters
  • Metrics Measured: Blood Oxygen Monitor, Heart Rate, Sleep Duration, Stress

Battery

  • Battery Capacity: 1000 Milliamp Hours
  • Battery Cell Type: Lithium Ion

Display

  • Display Type: LED

Measurement

  • Item Weight: 0.04 Kilograms
  • Item Dimensions: 0.81 x 0.81 x 0.12 inches

Connectivity

  • Wireless Compatibility: Bluetooth

Compatibility

  • Compatible Devices: Phone
  • Compatible Phone Models: Compatible with iOS and Android devices

LYNX Smart Ring

$199.99 $179.99

Reviews

4.7
Rated 4.7 out of 5 stars
Based on 4,244 reviews
91%would recommend this product
Slide 1 selected
Reviews Summary
Customers say this smart ring features a sleek, minimalist design with premium titanium construction that feels lightweight yet durable. The ring connects seamlessly to the RENPHO Health App via Bluetooth and automatically logs vital signs, sleep patterns, recovery metrics, and readiness scores. Users appreciate its professional appearance that works in both gym and office settings, describing it as more stylish than bulky smartwatches. Many reviews mention the importance of proper sizing and an initial adjustment period for optimal data readings. Common feedback includes praise for the app's clear charts and automated tracking features, though some note learning curves with understanding readiness scores and HRV trends.
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4,244 reviews
  • V
    Victoria
    I recommend this product
    Rated 5 out of 5 stars
    4 minutes ago
    5 Stars

    Love the product! Battery life last about three days from constant use.

    Was this helpful?
  • JM
    Jeanne M.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    I love my ring

    It is very easy to setup and the battery lasted a week. It charges quickly. I like that I don't have to pay for any subscription. I do recommend getting the ring sizing tool. I am glad I decided to purchase this ring.

    Was this helpful?
  • E
    Erica
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    5 Stars

    Love it

    Was this helpful?
  • MM
    Mike M.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    4 months ago
    Great Tracker

    This ring does a good job tracking different metrics. It is comfortable and has been durable.

    Was this helpful?
  • BO
    Beatrice O.
    I recommend this product
    Rated 5 out of 5 stars
    6 months ago
    Smart Holistic - Minimalist Look - Exceptional

    Incredible quality and insights. Everything logs automatically to the app, giving me more time to focus on my goals. It offers a more complete picture of my fitness journey than any other device I've used. Its lightweight construction and streamlined look make it incredibly comfortable for 24/7 wear.

    Was this helpful?