Sleep
See how your night shapes your day
Track sleep stages, resting heart rate and temperature, then wake to a single readiness number.
Learn more →
A titanium smart ring that reads your sleep, recovery and daily readiness — quietly, on one charge that lasts the week.
Stages, resting heart rate and overnight temperature, summed into one quiet morning score.
HRV and resting heart rate tell you when to push and when to hold back — before you feel it.
Titanium build, all-day wear, and a battery that quietly disappears into your routine.
Track sleep stages, resting heart rate and temperature, then wake to a single readiness number.
Learn more →
HRV and overnight recovery trends turn into clear guidance on how hard to go today.
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Resting heart rate, daytime trends and beat-to-beat variability, measured from the finger.
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Nightly skin-temperature trends help flag changes in cycle, stress and the start of illness.
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A seamless titanium shell with a recessed sensor window and a smooth inner curve — built to disappear on the hand and survive everything a day throws at it.
We're opening a limited founding batch at launch. Join the list to get early access, founding pricing, and updates as we get closer.
We're targeting a 2026 release. Waitlist members hear first — you'll get a heads-up before general availability, plus a window to order at founding pricing.
Final pricing is being confirmed. There's no subscription required to see your core daily metrics. Waitlist members receive a founding-member discount at launch.
Every order includes a free sizing kit. You wear the sample rings for a day or two, confirm your fit, and only then do we ship your ring.
The Handspring app will support recent iOS and Android devices at launch. Your data syncs over Bluetooth and stays private to your account.
No. The waitlist is free and there's no obligation. It simply puts you in line for early access and updates — you decide later.
