Crack your longevity code
The first AI powered longevity wearables
blēo band
no monthly subscription
$149
blēo ring
no monthly subscription
$269
Understand your longevity signals
blēo connects directly with The Longevity AI meaning you can easily understand the millions of different longevity signals your body holds.
Easy-to-read and digestible analytics allow you to interact directly with these longevity signals.
Sleep
Wake up to personalized insights on your sleep habits with blēo, helping you tweak your routines for more restful nights and energetic mornings.
VO2 Max
blēo ring tracks your VO₂ max, one of the most powerful predictors of longevity. Boost aerobic capacity, monitor progress, and build endurance.
Activity & Recovery
blēo tracks your daily activities and exercise, encouraging you to blend movement seamlessly into your life.
Heart Health
Understand your rhythm with real-time heart data through blēo, guiding you to optimal exercise and relaxation for longevity.
Longevity Alerts
blēo keeps you ahead of your health by alerting you at the first sign of a change in your longevity signals, allowing you to proactively respond to them.
Stress
blēo helps you to find your calm in the chaos. Stress management tools that encourage you to unwind and maintain balance in a changing world.
Blood Oxygen
blēo keeps a pulse on your wellness with blood oxygen monitoring. Detects early signs of health shifts and promote your flow.
Your Longevity Coach
The Longevity AI
The Longevity AI is your free longevity coach for life.
blēo advanced sensor technology helps to bring The Longevity AI to life.
You can chat to your AI longevity coach anytime, day or night, about your diet, sleep, supplements, medicines, physical activity and much more.
Discover the power of blēo
Packed with advanced sensors and stacked with sophisticated algorithms, with the ease of a >10 day battery, blēo can easily move and sleep alongside you day to day.
blēo tracks and analyzes a complete range of health and longevity signals, providing you with a transparent view of the needs of your body and mind.
| Features | blēo | Other brands |
|---|---|---|
| Focus | Longevity | Prevention | Sleep | Performance |
| Sleep & Stress | ||
| VO2 Max & HRV | ||
| Personal AI Coach | ||
| Personalized AI Coaching | ||
| Longevity Programs | ||
| Personal Nutritionist | ||
| 100 Day Transformation | ||
| No Subscription Required |
Why choose blēo
Thousands of reviews
from extraordinary people like you
The change I didn’t even know I needed
100 days later, I don’t just feel better – I feel different. Stronger, calmer, more in sync with my body. blēo made the change feel real, not abstract.
EMMA R.
The change I didn’t even know I needed
100 days later, I don’t just feel better – I feel different. Stronger, calmer, more in sync with my body. blēo made the change feel real, not abstract.
EMMA R.
The change I didn’t even know I needed
100 days later, I don’t just feel better – I feel different. Stronger, calmer, more in sync with my body. blēo made the change feel real, not abstract.
EMMA R.
Join 150,000 taking charge of their health
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Tyler Raphael
Increased his HRV from 48 to 73
Thousands of reviews
from extraordinary people like you
The change I didn’t even know I needed
100 days later, I don’t just feel better – I feel different. Stronger, calmer, more in sync with my body. blēo made the change feel real, not abstract.
EMMA R.
The change I didn’t even know I needed
100 days later, I don’t just feel better – I feel different. Stronger, calmer, more in sync with my body. blēo made the change feel real, not abstract.
EMMA R.
The change I didn’t even know I needed
100 days later, I don’t just feel better – I feel different. Stronger, calmer, more in sync with my body. blēo made the change feel real, not abstract.
EMMA R.
FAQs
What is blēo?
blēo is your personal guide to better health – and a longer, stronger life.
It’s a lightweight ring paired with The Longevity AI, giving you real-time insights, daily coaching, and science-backed programs designed to help you feel the difference in 100 days – and keep going.
What makes blēo different?
Most wearables track what’s happening today.
blēo is built for tomorrow — helping you shift your biological age, strengthen your health, and feel the change in 100 days.
How does The Longevity AI work with the blēo ring?
The blēo ring captures real-time signals from your body.
The Longevity AI turns them into daily coaching, personalized programs, and long-term strategies across sleep, fitness, nutrition, stress, and recovery.
What is the monthly subscription?
$0. It’s free for life.
Your blēo purchase includes lifetime access to The Longevity AI – no hidden subscriptions, no extra fees. Just guidance, for as long as you want it.
What is the battery life?
blēo is built for real life, not wall sockets.
You’ll get up to 10 days of battery on a single charge — so you can stay focused on living, not recharging.
Can I wear it all the time?
Yes.
blēo is waterproof up to 50 meters, hardened for everyday life, and light enough to forget you’re even wearing it.
What will I actually notice after 100 days?
Every journey looks a little different.
Those who use blēo say they feel stronger, sleep deeper, recover faster, and move through life with a steadier kind of energy.
The change isn’t just in the numbers – it’s in you.
How accurate are the sensors?
Yes.
We ship internationally, bringing better health – and better tomorrows – to wherever you call home.
Is blēo available worldwide?
blēo uses medical-grade sensors – the same level of precision trusted in leading clinics.
Real-world accuracy, without the waiting rooms.
What if I lose my ring?
Just reach out to our support team and we’ll help you get back on track.
Ring sizing is managed by our concierge after checkout and purchase. Comes with our perfect fit guarantee.
Ships in 10 days due to high demand.
Materials and finish
316 Stainless Steel
IP68 Waterproof (Up to 50m)
Size and weight
Height: 8.0mm
Width: 2.85mm
Diameter: 16.5 – 22.3mm (US standard ring sizes)
Weight: 3.5 – 4g (Varies by ring size)
Sensors
FDA Approved HR/SpO2 Sensor
Body temperature sensor (±0.2°C)
Accelerometer
Health and wellness
Multisport activity tracking
Sleep tracking
Stress monitoring
Heart rate tracking
Heart rate variability (HRV) measurements
VO2 Max
Respiratory monitoring
Skin temperature tracking
Blood oxygen saturation (SpO2) monitoring
Power and battery
14.5 – 21.5mAh Lithium Battery (Varies by size)
Up to 10 days of battery life
Magnetic USB Type-C Charger
Workouts and activities
50+ sports modes
Automatic activity recognition
Step counting
Calories burned tracking
Inactivity alerts
Connectivity and compatibility
Bluetooth connectivity
Android & iOS App
Integration with The Longevity AI
Android 5.1 or higher
iOS 9.0 or higher
Materials and finish
ABS: PC
Aluminium
IP68 Waterproof (Up to 50m)
Size and weight
Height: 41mm
Width: 30mm
Depth: 10.7mm
Weight: 18g
Sensors
FDA Approved HR/Sp02 Sensor
Body temperature sensor (±0.2°C)
Accelerometer
Health and wellness
Multisport activity tracking
Sleep tracking
Stress monitoring
Heart rate tracking
Heart rate variability (HRV) measurements
Respiratory monitoring
Skin temperature tracking
Blood oxygen saturation (Sp02) monitoring
Power and battery
90mAh Lithium Battery
Up to 10 days of battery life
Magnetic USB Charger
Workouts and activities
50+ sports modes
Automatic activity recognition
Step counting
Calories burned tracking
Inactivity alerts
Connectivity and compatibility
Bluetooth connectivity
Android & iOS App
Integration with The Longevity AI
Android 5.1 or higher
iOS 9.0 or higher
