Elegant Enough
to Wear Every Day.
A smart ring you'll actually want to wear — not just for the data underneath.
Shop NowSwim, shower, or sweat — rated to 50 meters.
Lighter than a standard paperclip.
Built for daily wear, not babied.
Lighter by Design
A refined concave profile, ~20% lighter than before. Barely-there comfort, worn all day.
Every Sensor, One Ring
Heart rate, blood oxygen, and a temperature sensor — tracking your body from every angle.
Health, At a Glance
Wear it, forget it's there. Open the app anytime for your full picture.
Sleep, Tracked
A full sleep report every morning, automatically — no effort required.
5ATM Water Resistant
Shower, swim, or sweat — built to keep up without missing a beat.
39 Days on One Charge
Comes with a compact charging dock for up to 13 extra charges on the go.
4.4 grams. Zero adjustment period.
Most people forget they're wearing it by day two. A concave steel band, rounded edges, and a finish polished for all-day comfort — not just a good first impression in the box.
Built by people who train, not just people who design.
Xeilo started with a simple frustration: fitness trackers that quit halfway through a run, a swim, or a set. So we built the ring we actually wanted to wear — light enough to forget, tough enough for race day, and quiet enough for sleep.
Tested Through Marathons,
Lifts, and Open Water.
5ATM waterproof, motion-tracked, and light enough to disappear mid-set.
Shop Now24/7 Heart Rate
Real-time data, anytime
Sleep Tracking
A full report every morning
5ATM Waterproof
No need to take it off
39 Days Battery
Up to 13 extra charges on the go
"Super fast, packed really well, everything was perfect. I ordered the smallest size and it fits me perfectly. Works great and the app is super easy to use. The gold color is beautiful, and the battery life is excellent too."
"Ordered my usual ring size and it fits perfectly and works flawlessly. Really happy with this purchase."
"After a day of use, very satisfied. Super easy to connect, and the app is very intuitive. Sizing was spot on, and the black finish looks great."
Day Return Window
Return within 7 days of delivery. Refund issued once we receive your item.
Shipping Worldwide
Delivered straight to your door.
Human Support
We're here whenever you need us.
Questions before you buy?
Sizing, shipping, returns, the app — we answered the most common ones.
Read the FAQTerms & Conditions
By placing an order on XEILO (xeilo.online), you agree to the following terms.
Orders & Pricing. All prices are listed in USD unless a different currency is shown at checkout. We reserve the right to correct pricing errors and to cancel affected orders with a full refund.
Shipping Policy. We offer free shipping worldwide on every order. Estimated delivery times vary by destination and are shown at checkout. Once an order has shipped, you'll receive a confirmation email with tracking information. Risk of loss passes to the customer upon delivery to the carrier, unless Shipping Insurance was purchased at checkout.
Refund Policy. Once your order is delivered, you have 7 days to initiate a return. Items must be unused and in their original packaging. Refunds are issued to your original payment method only after the returned item has been received and inspected by us, typically within 5-7 business days of receipt. Shipping costs for returns are the customer's responsibility unless the item arrived damaged or incorrect. Contact us via our Contact page to start a return.
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Product Disclaimer. The R09 Smart Ring is a consumer wellness device. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or medical condition.
Liability. Products are provided "as is" beyond the manufacturer's standard warranty. To the maximum extent permitted by law, XEILO is not liable for indirect, incidental, or consequential damages arising from product use.
Intellectual Property. All content on this site, including text, images, and logos, is owned by XEILO or its licensors and may not be used without permission.
Governing Law. These terms are governed by the laws of the State of Israel.
Contact. Questions about these terms, or about your order, can be sent via our Contact page.