Suna Ring
Charging essentials included
30-day returns
Suna Ring 5 · Silver
9,167 reviews
$49.99
Ends In
Suna Ring 5
Your body. Your rhythm. Your metrics.
$29.99
02Hours
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Classic CollectionSilver
Seasonal Collection
Suna Ring 5
Silver · Choose your US ring size
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Suna Ring
Suna Ring
Suna Ring
Suna Ring
Suna Ring
GOOD TO KNOW
Your Suna questions, answered.
Sizing guide
Measure the inside diameter of a ring that fits your chosen finger, then match it to your US size below. Select your size before adding to bag.
| Inside diameter | US size |
|---|---|
| 15.7 mm | 5 |
| 16.5 mm | 6 |
| 17.3 mm | 7 |
| 18.1 mm | 8 |
| 18.9 mm | 9 |
| 19.8 mm | 10 |
| 20.6 mm | 11 |
| 21.4 mm | 12 |
| 22.2 mm | 13 |
Measure the inside opening, without including the ring’s edges. Measurements are approximate; a physical ring sizer is the best way to confirm your fit.
What is included with my Suna Ring?
Your Suna Ring includes a premium charging case, USB-C cable, free app access, and sizing support. The current bundle also includes three silicone covers in Black, Blush, and Clear to match your selected ring size.
What comes with SunaCare+ Lifetime Warranty?
SunaCare+ is an optional $19 add-on that you can select in your shopping bag after adding your ring. It is separate from the ring purchase. For coverage eligibility and help with a claim, contact our team with your order details.
Is there a monthly subscription?
No. Your Suna Ring includes free app access for iOS and Android, with no monthly subscription fee.
Shipping & returns
Shipping: 1–3 business days.
You can request a return within 30 days of delivery. Keep your Suna Ring in good condition and include the accessories and promotional gifts. Return shipping costs may apply. See Suna’s return policy for eligibility and terms, and contact Suna support before sending anything back.
THE SUNA APP
Your day, brought together.
Explore sleep, movement and daily patterns in one place.
SUNA
Your day, at a glance
☾Total time asleep 7 hr
▰Bedtime and wake-up time
11:00–07:30
11:00–07:30
♨Active time 30 min
↗Movement this week: 4 days
Your daily reminders
08:00A morning walk
09:20Read every day
12:05Take medicine · personal reminder
18:3040-minute meditation
Reminders set by you, not medical instructions.
Today
SUNA
Today
Wellness Balance
Energized
89 out of 100Sleep88
Relaxation92
Vital Signs93
Activity83
FOUR SIGNALS. ONE CLEARER PICTURE.
Your signals are in sync. Make today your own, with a little more understanding of you.
Sleep›
88Optimal
0:419:03
Total time asleep: 8 hr 54 min
Activity›
83Balanced
♧9,032steps
♨503kcal
↗64min
Stress index›
24Relaxed
LowHigh
00:0012:0024:00
Vital Signs›
93
Heart rate68 bpm
Heart rate variability48 ms
Blood oxygen98%
Temperature variation+0.2°C
Overview
SUNA
Lifestyle score
Your weekly view
86Excellent
Compared with four weeks ago
Up 14 ↑
Small routines add up. Explore how your sleep and movement patterns change over time.
Sleep›
4 weeks agoToday
Sleep recovery›
91Optimal
A closer look at your overnight recovery progress.
Sleep rhythm›
Normal
MonSun
Your bedtime and wake-up times across the week.
Sedentary risk›
Low
Movement breaks throughout your day.
Exercise habits›
Exercise regularly
Movement this week: 4 days
Stress›
Balanced
See how moments of rest fit into your weekly routine.
Patterns
SUNA
Discover
Period forecasts›
Estimated cycle — Day 17
15 days until your next predicted period
Log symptoms
Cycle estimates are not for contraception.
Movement›
Every day, at your pace.
45min
230kcal
146bpm
Activity summary
Sleep apnea insights›
Overnight breathing
23:0003:0007:00
Not a sleep apnea test or diagnosis.
Blood pressure trends›
Blood-pressure log
SystolicDiastolic
4 weeks agoToday
Manually logged readings; blood pressure is not measured by the ring.
Discover
Swipe between phones · Scroll inside each screen
Suna Ring 5
Not all change is loud.
ONE RING. YOUR EVERYDAY LIFE.
Made for the way you live.
SUNA
YOUR DAILY RHYTHM
7h 42mTime asleep
6,240Steps today
68Beats per minute
Your week at a glance
Gold01 / 13
Swipe to discover your finish
What Suna Tracks
- Sleep quality
- Heart rate
- Steps and activity
- Calories burned
- Blood oxygen
- Temperature trends
- Recovery insights
Battery life varies with use. Tracking provides wellness insights, not a medical diagnosis.
What's Included
Suna Ring · Charging case · USB-C cable
One ring in your selected finish. Silver shown.
Technical
Specifications
Sensors
Red, infrared and green LEDs, temperature sensors, and an accelerometer.
Size & weight
6.09 mm wide and 2.28 mm thick. Weight starts at 2 grams.
Battery
5–7 days between charges. A full charge takes up to 80 minutes.
Materials
High-performance titanium inside and out.
Water resistance
Rated up to 100 m / 328 ft and IP68. Follow the care instructions supplied with your ring.
Connectivity
Bluetooth Low Energy, firmware updates, and airplane mode.
Battery life varies with use. Wellness insights are not a medical diagnosis.
Try it for 30 nights. Risk free.
Wear it. Sleep in it. Swim with it. If Suna doesn't change how you understand your body, send it back.
- $0 Subscriptions.
- 30-night risk-free trial
- Real human support, seven days a week
Customer Reviews
Overall rating: 4.4 / 5 from 9167 reviews.
Delivery was right on time. The ring looked even nicer when I took it out into natural light.
I was skeptical about ordering without seeing it first. Once it arrived, I felt much better about my choice.
The gold Suna ring looks great with a dark-tipped manicure. I like that the shape is bold without being fussy.
Quick arrival, tidy packaging, and a ring I was excited to try on. A good start.
I didn't want something that would overpower the rest of my jewelry. This fits the look I had in mind.
I'm still getting to know it, but my first impression is positive. It arrived promptly and the app feels easy to use.
The silver Suna band has a pleasing shine against dark blue fabric. The plain shape is exactly my style.
Took me a minute to get familiar with the app, but it made sense once I'd had a look around.
I wanted something I could wear with a casual outfit. This has been easy to reach for.
I expected the app to feel cluttered, but it's been simple enough to navigate so far.
I went in with fairly modest expectations. I was pleasantly surprised by how it looked in person.
Mine turned up on time and looked good straight out of the box. I like the understated style.
The cream-lined Suna case looks inviting against darker fabrics. It gives the ring a beautiful place to sit.
I was skeptical at first, but it arrived on time and looked just like I hoped. Getting started in the app was straightforward too.
Delivery went smoothly and everything looked good when I opened the box. I got the app set up without much fuss.
Arrived quicker than I expected. The box was neat, and opening it felt like a little treat.
It arrived when expected, which was a relief. I'd been looking forward to trying it.
Still early days, but the app has been easy to follow. No complaints about the setup.
I thought the app would take some getting used to, but I found my way around pretty quickly.
The app is easy to use. I didn't have to spend ages figuring out where everything was.
It's more understated in person than I expected, which I like. The app feels well laid out, so finding my way around has been simple.
Really liked the presentation when I opened the Suna box. Everything looked neat without being over the top.
On-time delivery and a nicely presented box. I was excited to finally try it on.
The box caught my eye before I even tried the ring on. Simple packaging, but it looks really nice.
I kept going back and forth before ordering. Glad I finally did, because the ring looks lovely on my hand.
My order arrived fast, and the ring looked just as I'd hoped. I've enjoyed wearing it so far.
I needed a little time to explore the app. Once I got familiar with it, it felt pretty simple.
I spent ages deciding whether to order. It turned up on time, and I was pleased when I opened it.
Wasn't expecting it to arrive so soon! Opened it straight away and liked the finish.
I ordered mainly because I liked the look. After a quick look around the app, I felt comfortable using it.
It goes with what I already wear, so I haven't had to think much about styling it.
I thought I'd find the app a chore, but it's been easy to fit into my day.
I'm usually slow to pick up a new app, but this one felt straightforward from the start.
The warm metal finish of the Suna band looks lovely with a pink manicure. A really elegant combination.
The black Suna gift box stands out beautifully against white bedding. The understated design feels gift-worthy.
I like seeing the Suna ring and its case together. The rounded details give the set a consistent look.
The Suna case has a beautiful rounded outline. The cream interior frames the ring nicely.
The gold Suna ring makes a lovely contrast with a blue manicure and denim. I like the cheerful combination.
The black Suna ring has a crisp, simple profile. I like how it looks beside a silver laptop.
The minimal Suna gift box looks right at home on a sunny table. The restrained lettering is a nice touch.