Sell

Oura

Oura Ring 4 Ceramic

CHF 400.00

Buyer protection

Sellers won't receive your money, until you get your item and are happy. Find out more

c

carolyne21

2 items sold 

The Oura Ring 4 Ceramic is a modern smart ring. It tracks your heart rate, your sleep and your cycle. With the Natural Cycles app, you can use your Oura Ring as a hormone-free contraception method by entering your body temperature—measured by Oura during sleep—into the app after you wake up. The ring is brand new, complete, and only tried on! It was purchased on 23.03.2026. New price: 438.95.-

Size: 10
Color: Tide
Oura Ring 4 Ceramic models run larger than the standard Oura Ring 4!
  • Condition: Brand new
  • Gender: Unisex
  • Smart Watch features: Heart rate monitor, Oxygen saturation, Calorie consumption measurement, Waterproof
  • Smart Watch types: Fitness trackers

Delivery options

Parcel, from CHF 9.00

marko Buyer Protection

Enjoy secure and worry-free shopping on marko.

Buyers Protection fee

Every purchase on marko is protected by the marko Buyer Protection. It helps ensure safe payments, gives you the right to claim a refund, and access customer support. Buyer Protection costs a fixed fee of 5% of your item’s price (minimum 0.50 CHF).

Fraud protection

On marko, you do not have to worry about fraud. Sellers only get paid, once you accepted the item. If the item never arrives or is not as advertised, you receive your money back.

Return policy

Once you received an item, you have two days to inspect it. If it ends up not being as expected, you can initiate a return and ship it back to the seller. You will be responsible for the shipping costs, but we will refund you the price of the item.

Secure payment

All marko payments are encrypted and handled by our trusted partner Stripe. That way, both your money and information is protected.

marko support

You can reach out to us 24/7 and expect a reply within 24 hours. Our team will see every issue through to its resolution.

Report Listing

We won't share this with the seller. If you are reporting illegal activity, our support team may need to reach out to you for further clarifications.

Charges that occurred during the delivery, to and from you, will not be refunded.

0/300 characters