Wrongduck SilverGrid Smart Ring
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.
All-Day Health & Sleep Monitoring
Get instant heart rate and blood pressure readings with a single tap in the app. Gain valuable insights to make timely adjustments to your well-being. The built-in automatic sleep tracker analyzes your sleep cycles—including deep sleep, light sleep, and wake-up times—delivering a detailed breakdown of your sleep quality to help you build healthier habits.
Effortless Activity & Fitness Tracking
Automatically log daily steps, calories burned, and distance walked. For workouts, activate sport modes to map your route, track activity duration, and monitor your heart rate in real time. Receive performance feedback to understand when to push your limits and when to recover, optimizing every exercise session and keeping you motivated.
Long-Lasting Battery with Portable Charging Case
Enjoy up to 5 days of use on a single 2-hour charge. The included portable charging case (300 mAh) provides an additional 15 full charges, extending your total usage to an incredible 60 days. This makes the ring the perfect companion for frequent travelers and outdoor adventurers, ensuring your health is monitored continuously, no matter where you are.
Waterproof Design for an Active Lifestyle
With its IP68 rating, this ring is built to withstand swimming, hand washing, showers, and rain. It continuously tracks your activity and health metrics even in water-based activities. (Note: Not for use in hot water or steam.)
24/7 Heart Health Guardian
Equipped with a high-precision heart rate sensor, this smart ring acts as your round-the-clock heart health consultant. It accurately captures data and monitors your heart's activity, providing you with peace of mind day and night.
Package List:
Smart Ring*1
Charging case *1
Charging cable *1
User manual *1
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