Product
Ring1C
Medical-Grade AI Health Ring
Ring1C
Find Your Perfect Ring Size
Choose confidently with our sizing guide and complimentary sizing kit.
Size Guide
Measure at Home, Choose with Precision
A simple paper strip is all you need. We recommend completing these steps before purchasing.
Prepare a paper strip
Cut a paper strip approximately 10cm long and 0.5cm wide. Ensure it is flat and smooth.
Available Sizes
Complimentary
Complimentary Ring Sizing Kit
Every Ring1C order includes a complimentary sizing kit. The kit contains multiple trial rings to help you and your family confirm the perfect fit through actual wear.
Verify Your Fit
Confirm the most comfortable size before committing.
Share with Family
Share the kit with family members to help them find their size.
Prepare for Future Purchases
Record your size for easy future purchases of other colors.
Improve Sizing Confidence
Try before you commit — eliminate all sizing uncertainty.
Replacement Size Program
Wrong Size? We Have You Covered.
If your Ring1C has no quality issues but the size does not fit correctly, you can use the included sizing kit to determine your ideal size, then purchase a new Ring1C in the correct size at a 10% discount.
Use the sizing kit to confirm your ideal size
Contact support to request a replacement order
Enjoy 10% discount on your new size purchase
International Shipping
DHL International Shipping
MATEYOU Ring1C ships directly from China via DHL International Express to destinations worldwide. DHL provides reliable tracking and professional cross-border logistics.
Global Delivery
Covering US, Europe, Southeast Asia and major markets
DHL Express
Professional international express, safe and reliable
Real-time Tracking
Full parcel tracking, monitor delivery status anytime
Estimated Delivery
US/Europe 5-10 business days, Southeast Asia 3-7 business days
Ships from China
via DHL International Express
Ready to Find Your Size?
Use our at-home measurement guide to confirm your size, then choose your favorite color and start understanding your health continuously.