Wrongduck V3 Matte Smart Ring – Health, Sleep & Activity Tracker
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.
Wrongduck V3: Your Essential Bluetooth Smart Ring Health Tracker – Matte Finish with Subtle Sparkle
Matte & Shimmer Design:
The Wrongduck V3 is a discreet Bluetooth Smart Ring Health Tracker featuring a unique matte finish with a hint of shimmer. The surface catches light subtly, giving it an elegant, understated sparkle without being flashy.
Unlike glossy or overly bulky designs, this matte ring resists fingerprints and scratches. The smooth curved edges and lightweight frame sit naturally on your finger, offering a barely-there feel while maintaining a refined, modern aesthetic for everyday wear.
Smart Heart Rate & Sleep Tracking:
This smart device delivers precise heart rate monitoring using high-performance sensors. Gain advanced insights into your daily body condition with real-time data synced seamlessly to the companion app.
Analyze your rest quality with ease. This Bluetooth-enabled wearable keeps you informed about your recovery and sleep patterns every night, helping you understand how well you’re truly resting.
IP68 Waterproof & Long Battery Life:
Rated IP68, the V3 resists sweat, rain, and accidental splashes. It is built to handle daily water exposure – from handwashing to intense workouts.
The included charging case provides a portable power solution for your mobile lifestyle. Enjoy up to 48 hours of continuous use on a full charge, so your health data logging never misses a beat.
Stress Monitoring & Daily Care:
Equipped with intelligent stress sensing, the V3 tracks subtle changes in your wellness levels throughout the day. Get timely feedback via the dedicated app to help you stay balanced, reduce tension, and maintain a more relaxed lifestyle.
Multiple Sports Modes Support:
The Wrongduck V3 supports a variety of activities including running, cycling, yoga, and more. Accurately record movement data during every session and receive real-time feedback to improve your training efficiency.
Stay motivated by hitting your movement goals. The ring makes it simple to visualize your progress and refine your daily fitness habits.
Package List:
Smart Ring*1
Charging case *1
Charging cable *1
User manual *1
View other Smart Rings
Wrongduck V3 Matte Smart Ring – Health, Sleep & Activity Tracker
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