The future of health tracking

Bicep-worn, screenless, distraction-free. Keep your wrists free for what matters.

Join Waitlist

Precision engineered for professionals

Every detail of UNSEEN is designed to deliver medical-grade health tracking that works in the real world.

UNSEEN health tracker main view

UNSEEN Health Tracker

Ultra-Lightweight Design
Just 8.6g - lighter than two quarters
10-Day Battery Life
90mAh battery with magnetic charging
IP68 Waterproof
Swim-proof and sweat-resistant
Medical-Grade Sensors
PPG heart rate, SpO2, dual motion sensors

Technical Specifications

Dimensions
45 x 35 x 12mm
Weight
8.6g (device only)
Battery
90mAh Li-Po
Connectivity
Bluetooth 5.0 BLE
Water Resistance
IP68 (50m)
Materials
ABS+PC, Nylon strap

Hypoallergenic

Safe for sensitive skin and 24/7 wear

Always On

Continuous tracking with multi-day storage

Built Tough

Resists impacts and harsh chemicals

Universal Fit

One-size adjustable strap fits all

Built for everyone, designed for life

Whether you're a watch enthusiast, healthcare worker, athlete, or digital minimalist, UNSEEN works where wrist trackers can't.

Nurse working with UNSEEN device

Sarah M.

Nurse

"As a nurse, I can't wear anything below my elbows due to infection control. UNSEEN lets me track my health during long shifts without violating protocols."
Construction worker with UNSEEN device

Mike R.

Construction Worker

"On construction sites, wrist trackers get damaged by tools and debris. UNSEEN stays protected and tracks my activity through tough workdays."
Watch enthusiast wearing UNSEEN device

Emma C.

Marketing Professional

"I've always worn analog watches - they just feel right to me. UNSEEN means I don't have to choose between that and tracking my health."
Construction carpenter working with UNSEEN device

Dave K.

Construction Carpenter

"Working with power tools and heavy machinery, wrist devices are a safety hazard. UNSEEN tracks my health without interfering with my work."
BJJ practitioner training with UNSEEN device

Alex T.

BJJ Enthusiast

"When grappling, wrist trackers can get caught or damaged. UNSEEN lets me track my training sessions without worrying about my gear."
Chef cooking with UNSEEN device

Marcus L.

Executive Chef

"When prepping meat and working long shifts, wrist devices get in the way of knife work. UNSEEN tracks my vitals during busy service without interfering."
COMPREHENSIVE HEALTH TRACKING

Track what matters, without the distraction

Medical-grade sensors deliver comprehensive health insights while staying completely out of your way. No screens, no interruptions—just pure data when you need it.

Active lifestyle scene
Activity Score

500,000 People Proved It. Now It's Your Turn.

In the world's largest activity study, participants who scored just 50 points per week lived significantly longer. The research shows remarkable benefits across all demographics.

Learn more
Peaceful sleep scene
Sleep & Recovery

Transform your nights, elevate your days

Advanced sleep analysis tracks your stages, heart rate variability, and breathing patterns to optimize recovery and performance.

Learn more
8h 12m
Avg. Sleep
92%
Sleep Efficiency
1h 45m
Deep Sleep
Heart health monitoring
Heart Health

24/7 Heart Monitoring

Continuous tracking provides insights into your cardiovascular health during work, exercise, and rest.

Learn more
68 bpm
Resting HR
Stress and recovery monitoring
HRV & Stress

Understand Your Body's Signals

Heart rate variability reveals your stress levels and recovery status in real-time.

Learn more
HRV: 45ms
Morning readiness check
Daily Readiness

Know when to push, when to rest

Your personalized readiness score combines HRV, sleep quality, and activity load to optimize your daily performance.

Learn more
85
Today's Score
Ready for high intensity
HRV
Above baseline
Good recovery
8h 15m
Sleep Duration
Optimal range
Blood oxygen monitoring
SpO2 Monitoring

Blood Oxygen

Track oxygen saturation during sleep and activity

Learn more
Fitness age tracking
Fitness Age
+4.3
Years of life gained through fitness

UNSEEN calculates how your cardiovascular health, sleep quality, and activity patterns affect your expected lifespan

Learn how to improve your fitness age
Heart Health
85%
Sleep Quality
92%
Activity Score
78

Seamless integration everywhere

UNSEEN syncs natively with all major health platforms and works as a standard Bluetooth heart rate monitor for universal compatibility.

Google Fit
Google Fit
Apple Health
Apple Health
Strava
Strava
Zwift
Zwift
Peloton
Peloton
TrainingPeaks
TrainingPeaks
Nike Run Club
Nike Run Club
Adidas Running
Adidas Running
TrainerRoad
TrainerRoad

What UNSEEN provides that others can't:

24/7 Stand Hours

Continuous standing time tracking during work shifts that Apple Watch misses in professional environments

Workplace HRV Data

Heart rate variability during actual work scenarios that wrist devices can't capture due to restrictions

Complete Activity Rings

Fills Apple Health's Activity Rings with accurate professional activity data

Universal Bluetooth compatibility:

Standard BLE Heart Rate

Works with any app that accepts Bluetooth heart rate monitors - no proprietary connections

Fitness App Integration

Connect directly to Strava, Peloton, Zwift, and other training apps for real-time heart rate

No Data Silos

Unlike proprietary ecosystems, UNSEEN data flows freely to all your health platforms

One price, all features, forever

No subscriptions, no premium tiers, no hidden fees. Get everything UNSEEN offers for one simple price.

UNSEEN Health Tracker

$150

One-time purchase, lifetime of health insights

  • All health metrics included
  • iOS & Android apps
  • Apple Health & Google Fit sync
  • Lifetime software updates
  • 30-day money-back guarantee
Join Waitlist

Compare to competitors:

Whoop: $30/month = $360/year
Oura Ring: $299-549 + $6/month
Apple Watch: $249-799 + daily charging