Your body, decoded. Day and night.
Heart rate, blood oxygen, sleep and recovery — tracked 24/7 and shown right on the ring. No wrist. No subscription.
Six signals. One ring.
Kevenza reads the metrics that matter — continuously, quietly, all from your finger.
Heart rate
Continuous heart-rate tracking, all day and all night.
Blood oxygen (SpO₂)
Spot-check your blood-oxygen saturation anytime.
Sleep tracking
Deep, light and REM stages with a nightly sleep score.
Steps & activity
Steps, distance and calories, tracked automatically.
Recovery & readiness
See how recovered you are before you push harder.
On-ring display
Glance at your stats on the ring itself — no phone needed.
Effortless from the first second
No buttons to learn, no daily fuss. Put it on and Kevenza does the rest.

Slip it on
Wear it like any ring. It starts tracking automatically, 24/7.

Live your day
Sleep, train, work — Kevenza measures quietly in the background.

Glance or go deep
Check the on-ring display, or open the app for the full picture.

Your stats, right on the ring
Most smart rings hide everything in an app. Kevenza puts a crisp LED display on the band — so a single glance tells you your heart rate, steps or the time. No phone required.
- Bright LED display built into the band
- Adjustable brightness · left or right hand
- Read your data with a glance

The full picture, in the app
When you want the detail, the companion app turns your data into clear scores and trends — sleep stages, readiness, heart-rate patterns and blood oxygen over time.
- Sleep, readiness & activity scores
- Heart-rate & SpO₂ trends over time
- Works with iOS & Android

Your phone, controlled from your finger
A subtle gesture is all it takes — no screen tap required. Kevenza turns your hand into a remote for the phone in your pocket.
- Swipe your finger to scroll your phone — completely hands-free
- Tap the touch button to fire the camera and take a photo remotely
- Perfect for group photos, recipes and reading on the go

Charge anywhere. Never miss a night.
The ring drops into its compact charging dock — which doubles as a portable power bank. Top up on the go and keep tracking around the clock.
- Charging dock with built-in power bank
- Top up anywhere — no wall plug needed
- USB-C cable included
Three finishes. One obsession with detail.
Matte black, brushed silver or champagne gold — surgical-grade stainless steel, made to be worn every single day.
Real people. Real insights.
Rated 4.8/5 by wearers who wanted more than a guess.
I finally understand my sleep. The nightly score completely changed how I plan my days.
Verified owner
Love that I can just glance at the ring for my heart rate mid-workout — no phone.
Verified owner
Same insights as the big brands, but no monthly fee. That sold me.
Verified owner
The gold finish is gorgeous — looks like jewelry, tracks like a lab.
Verified owner
Tops up fast in the little dock. I barely notice I'm wearing it.
Verified owner
Questions, answered
Everything you want to know before you wear one.
How do I choose my size?
How long does the battery last?
Do I need a subscription?
Is it water-resistant?
Does it work with my phone?
What's your return policy?
Start listening.
Join thousands tracking their health the effortless way — one ring, no subscription.
30-day money-back guarantee · Free shipping · No subscription