The Oura Ring 3 is up to $100 off. Here's how it compares to the Oura Ring 4

You can snag the older Oura Ring 3 for up to $100 off ahead of Amazon's Spring Sale.

The Oura Ring 3 is up to $100 off. Here's how it compares to the Oura Ring 4
You can snag the older Oura Ring 3 for up to $100 off ahead of Amazon's Spring Sale.