BSR-1 Smart Ring
The Body
Whisperer™
7
Sensors
7 days
Battery life
50 m
Water resistance
3.4 g
Weight
The Language of the Body
Your body has been trying to tell you something.
Every meal, every drink, every disrupted night — your body responds. Heart rate rises. Temperature shifts. HRV drops and holds for hours. This is not noise. This is language.
When you eat something your body loves, it whispers its approval. When something depletes or stresses you, the whisper changes register. Precise, personal, unrelenting — it has been happening since the day you were born.
Most people miss it entirely. Not because the signal is weak. Because the body whispers — and the world is loud.
The BSR-1 was built to hear every whisper.
See how it works
Sleep
Every night, your body tells the truth.
While you sleep, your body whispers most freely. No distractions, no decisions — just eight hours of unguarded biological signal. The BSR-1 catches every word, and has your full recovery story waiting before you open your eyes.
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Heart Rate Variability
What happens between appointments is what matters most.
HRV is the most honest whisper your body makes. It doesn't flatter poor decisions. It doesn't soften the truth about a bad night or a missed meal. Beat by beat, it reports exactly how you're coping — and the BSR-1 is listening with research-grade precision, every hour of every day.
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Read & Fuel
Listening was never enough.
Other rings stop at data. The BSR-1 closes the loop. Every overnight reading recalibrates your body's personal language — the ring hears every whisper, translates it to the app, and by morning you hold a briefing your body wrote while you slept.
Pre-Order Now50+ biometric signals
Every whisper,
decoded.
Heart rate, HRV, SpO₂, skin temperature, sleep staging, movement, metabolic readiness — seven sensors catching every whisper, around the clock. The ring hears. The app speaks. You finally understand what your body has been saying all along.
99%
Heart rate accuracy
95%
Sleep staging accuracy
7
Days battery life
Engineered for life
The ring that fits
how you live.
Titanium light enough to forget. Sensors sharp enough to notice. The BSR-1 disappears onto your finger and gets to work — silently, continuously, for seven days without a charge.
Three finishes. One signal.
Wear what speaks to you.
Grade-5 aerospace titanium. A precision resin inner shell so comfortable you'll check it's still there. Three finishes, each with its own character. All with the same relentless intelligence underneath.
Champagne Gold
Aerospace-grade titanium
Midnight Black
Aerospace-grade titanium
Titanium Silver
Aerospace-grade titanium
50+ health metrics
Everyday health sensing
Sleep Score
Total sleep quality synthesised from HRV, movement, duration, and regularity.
Sleep Stages
Research-grade breakdown of deep, REM, and light sleep cycles — every night.
Blood Oxygen
Continuous SpO₂ monitoring detects breathing disturbances overnight.
Bedtime Guidance
Personalised reminders calibrated to your unique circadian rhythm.
Specifications
Built with precision.
Configure
Own the ring. Fuel the cell.
Every order includes
Complete system
BSR-1 + 30-day supplement stack
Ring in your chosen finish, obsidian charging stand, and your first personalised bioactive supplement pack — automatically calibrated to your biometrics.
- Grade-5 titanium ring — 3 finishes
- Obsidian charging stand & USB-C
- 30-day personalised supplement pack
- Body Whisperer™ app — full access
Try first
Sizing kit + starter supplements
Not sure of your ring size? Get the physical sizer first — your £49 is fully credited when you order the ring.
- Physical ring sizer, sizes 6–13
- 14-day baseline supplement supply
- £49 auto-credited at checkout