Wrongduck SY1 Smart Ring with LED Display, Vibration Alerts & Sleep Tracking
How it works
If your product is accidentally damaged within two years, Care+ includes one replacement. Claims are handled directly by Wrongduck. View plan terms.
Optional Care+. One plan per product.
Pairs well with
Size chart
WRONGDUCK SIZE GUIDE
Find your best ring size
Click Find My Size to measure online in a few simple steps. You’ll get your recommended Wrongduck ring size instantly—no chart matching needed.
Wrongduck ring size chart
Choose the store size that matches your measured diameter or circumference.
| Store size | Diameter | Circumference | ISO / EU | UK |
|---|---|---|---|---|
| 6 | 16.5 mm | 51.8 mm | 52 | L ½ |
| 7 | 17.3 mm | 54.4 mm | 54 | N ½ |
| 8 | 18.1 mm | 56.9 mm | 57 | P ½ |
| 9 | 18.9 mm | 59.5 mm | 59 | R ½ |
| 10 | 19.7 mm | 62.0 mm | 62 | T ½ |
| 11 | 20.5 mm | 64.5 mm | 65 | V ½ |
| 12 | 21.4 mm | 67.1 mm | 67 | X ½ |
| 13 | 22.2 mm | 69.7 mm | 70 | Z1 |
| 14 | 23.0 mm | 72.2 mm | 72 | Z3 |
Between sizes? Choose the larger size for a more comfortable fit. Availability varies by ring model.
Measure with paper or thread
- Wrap a narrow strip of paper or non-stretch thread around the base of your finger.
- Keep it comfortably snug without squeezing your finger.
- Mark where the two ends meet.
- Lay it flat and measure the marked length in millimetres.
- Match that circumference to the chart above.
Measure at the end of the day when your hands are at a normal temperature, and repeat the measurement twice.
Shipping Information
Before the shipping,please allow us 1-2 business days for processing your order, timing depends on the actual situation.
Once your order has been shipped, we will immediately provide you with tracking information. Delivery times vary by region, Orders typically take 4-10 days to arrive.
How much is the subscription fee?
No subscription required. With a one-time purchase, you get full access to all health tracking features.
Package List
Smart Ring*1
Charging case *1
Charging cable *1
User manual *1
Wrongduck App Download
Looking for the correct app for your Wrongduck Smart Ring? Visit our Wrongduck App Download page, select your Smart Ring model, and download the compatible app for your device.
Stay Connected, Your Way
The Wrongduck SY1 Smart Ring brings phone notifications, an adjustable LED display and everyday wellness tracking together in one compact wearable. Stay informed without constantly reaching for your phone or wearing a bulky smartwatch.
Adjustable LED Display and Vibration
Personalize how the SY1 looks and feels throughout your day:
- Three LED Brightness Levels: Choose Low, Medium or High brightness to suit nighttime use, everyday viewing or brighter surroundings.
- Three Vibration Intensity Levels: Select Low, Medium or High vibration strength based on your comfort and surroundings.
Whether you prefer a subtle reminder or a more noticeable alert, the SY1 lets you adjust both the display and vibration to suit your routine.
Notifications Without Constant Phone Checking
Receive vibration alerts for incoming calls, messages and supported app notifications directly on your finger. The LED display lets you check essential information at a glance, helping you stay connected while working, exercising, commuting or traveling.
Notification availability depends on your phone, app permissions and applications supported by the companion app.
Silent Alarms and Personal Reminders
Set vibration alarms and reminders through the companion app. With three adjustable vibration levels, you can choose a gentler setting for quiet environments or a stronger setting when you need a more noticeable alert—without using a loud phone alarm.
Sleep Tracking Without a Watch on Your Wrist
Wear the SY1 overnight to review your sleep patterns through the companion app. Its compact ring design provides a less bulky alternative to sleeping with a traditional smartwatch.
Daily Activity and Wellness Insights
Follow your steps, calories, distance and everyday movement from the companion app. The SY1 also records heart rate and blood oxygen trends, giving you a convenient overview of your daily wellness information.
Why Choose the Wrongduck SY1?
- LED display with Low, Medium and High brightness settings
- Vibration alerts with Low, Medium and High intensity settings
- Incoming call, message and supported app notifications
- Silent vibration alarms and reminders
- Sleep, activity, heart rate and blood oxygen tracking
- Available in black, silver and gold
- Sizes 8–13
- IP68-rated water resistance
- Approximately 2–5 days of regular use per charge
- Portable crystal-style charging case
- No monthly subscription required for core features
What’s Included
- Wrongduck SY1 Smart Ring
- Portable charging case
- Charging cable
- User manual
Please note: This product is intended for general wellness and lifestyle tracking. It is not a medical device and should not be used to diagnose, treat or prevent any medical condition.
Wrongduck SY1 Smart Ring with LED Display, Vibration Alerts & Sleep Tracking
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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14 day return policy
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
For details, please see: Return Policy -
Shipping Information
Processing Time:
- Before the shipping,please allow us 1-2 business days for processing your order, timing depends on the actual situation(Public Holidays/Weekends excluded)
Shipping Time（Estimate）:
- Standard Shipping Fee: $5.99 per order.
- Free Shipping: Orders over $49.99.
- Delivery times vary by destination:
- Europe: 4-9 business days
- United States: 5-8 business days
- Australia & Canada: 5-10 business days
- Other Regions: 4-12 business days
For details, please see: Shipping policy