Oura - Ring 5 - Smart Ring & Fitness Tracker - Size Before You Buy with OR5 Sizing Kit - Size 11 - Black - (2026)

It honestly depends on your bestbuy staff. Some may take it back and charge a restocking fee to return the item, and refund you. Others will only offer to give you the same ring at no cost since you are on a 2 year warranty. Technically it only covers the replacement of your Ring 4 with an identical ring 4 but it doesn’t hurt to try! Worst they can say is no.

Nothing at all

The index finger is usually recommended from what I have read, for the most accurate readings, but the middle or ring finger can work well too. The most important thing is that the ring fits snugly and doesn’t move around too much.

Yes it comes with a charger and cord and buffing cloth

no