OptiNight Ring

$299$399SAVE $100

Select Finish: Midnight Black

Select Size

Free Shipping • 30-Day Returns • 2-Year Warranty

Frequently Asked Questions

Select 'I don't know' above. We ship you a kit with plastic rings (sizes 7-13). Wear the one that fits best for 24 hours (fingers swell during the day). Scan the QR code on the kit to confirm your size, and we ship your real ring the same day.

Yes, OptiNight is 5ATM waterproof, meaning you can wear it while swimming, showering, or diving up to 50 meters.

No. Unlike our competitors, your data belongs to you. The app and all its insights are free forever with your purchase.