Oura Ring 4 drops to $226 on Prime Day after Ring 5 launch

Oura Ring 4 has become a fast-moving marker of how quickly health-tech hardware loses value once a new model lands. With Oura Ring 5 now on the market and Amazon listing the older ring at as low as $226 in most sizes and color schemes, the first major price cut on the previous generation has turned into a clear snapshot of the smart-ring market.

The discount is sharp against the ring’s original $349 launch price. Amazon’s listings showed Oura Ring 4 available across multiple sizes and finishes, including gold, silver, black and rose gold, with some entries carrying Prime-exclusive pricing and signs of strong recent sales activity. That combination suggests the older device remains a live part of the category, not a dead-end clearance item.

Oura Ring 5 launched on June 4, 2026, and the company positioned it as a major redesign. Oura said the new ring was rebuilt from the inside out, is 40% smaller than Oura Ring 4, and measures 6.09 mm wide and 2.28 mm thick. The company also said Ring 5 has 40% less volume than its predecessor, uses a titanium design and offers up to 9 days of battery life, compared with up to 8 days for Oura Ring 4.

That matters because smart rings sit at the intersection of fashion, sensors and subscription software, where comfort and appearance can be as important as biometric accuracy. Oura has pushed the new model as a more refined successor, but the continued sales of Ring 4 show that many buyers still see value in the older hardware, especially when the savings are large enough to outweigh the incremental design gains.

The company’s own store still carried Oura Ring 4 alongside Oura Ring 5 and the new Oura Ring 4 Ceramic line, reinforcing that the previous generation remains part of Oura’s active lineup. The persistence of multiple tiers, including the membership-priced ecosystem Oura has long used, shows how wearables increasingly depend on a ladder of product refreshes to keep consumers moving up even as last-generation devices remain perfectly usable.