The Truth Lives
on Your Hand.
Kairos Ring is the first truth-grade smart ring — engineered for privacy, integrity, and insight. Sense what your body knows before your mind catches up.
No spam. Cancel anytime. Data stays yours.

Four principles. Zero compromises.
Biometric Integrity
Reads truth signals from HRV, GSR, and skin temperature with research-grade fidelity.
Privacy First
Your data is processed locally on the ring. We never sell it. We never share it.
Truth-Grade Analytics
Edge AI interprets signals in real time to guide better, calmer decisions.
Modular Longevity
Replaceable power cell and recyclable titanium shell. Built to last decades.

Your Kairos Ring doesn't just track you.
It understands you.
Honest data, freely chosen.
Wearers can opt in to contribute zero-knowledge biometric signals to decentralized networks like Reasonable and BoardOS — informing collective decisions without ever revealing who they are.
Founders Edition
A numbered first run for those who shape the standard. Includes priority firmware, lifetime cell replacement, and DAO access.
- Aerospace-grade titanium shell
- Replaceable power cell — 7 day life
- Edge AI co-processor, fully local
- Lifetime privacy guarantee