Emotion, worn lightly.
The titanium smart ring that reads your mood, sleep and 8 vital signs — then quietly helps you understand.
The collection
One ring, four finishes. Aerospace-grade titanium, 2.4 g.
See yourself
Emotion-3E engine turns raw biometrics into something you can actually feel.
EMOTION-3E model blends psychology theory with your live signals to surface your real mood.
Staging, REM estimate and low-oxygen (S1) screening — every night, no charge.
Continuous heart rate plus HRV for recovery and stress, sampled on your wrist-free hand.
SpO₂ trending through the night to catch patterns worth a conversation.
Baseline-shifted finger temperature — the earliest window into strain and cycle.
All-day movement and energy spend, merged with your mood for context.
A daily color drawn from your profile and state — a small ritual, not a prediction.
Snap a meal to log it; talk to your Emotion Baby companion any time.
Under the surface
Our story
We believe a wearable should be a quiet companion, not another screen demanding attention. XANTHER sits on your finger and listens — to your heart, your sleep, your mood — then hands the insight back to you.
No notifications shouting. Just a clearer mirror, worn lightly.
Explore the ring
Questions
We ship a free sizing kit first. Once you confirm your fit, we send the ring — no guesswork.
XANTHER pairs with both iOS and Android over Bluetooth LE. The app is free.
Processing happens on-device first. You own your data and can export or delete it anytime.
2-year limited warranty covering manufacturing defects. Battery health supported in-app.