Oura Ring 5 review: a stunning generational leap for smart rings

The Oura Ring 5 is the smallest, most discreet and best smart ring available. The Oura Ring 5 is the smallest, most discreet and best smart ring available. Tue 30 Jun 2026 02.00 EDTLast modified on Tue 30 Jun 2026 02.02 EDT The Guardianâ s journalism is independent. We will earn a commission if you buy something through an affiliate link. Learn more. Ouraâ s new Ring 5 is a massive upgrade for smart rings, dramatically shrinking in size and weight to bring them right into line with standard wedding bands and other jewellery.