Oura Ring 5 review: Thinner, lighter, better
The device is 40% smaller than its predecessor, the Ring 4, measuring 6.09 mm wide and 2.28 mm thick, with a weight between 2 grams and 2.69 grams.
TechCrunch has published a review of the Oura Ring 5, describing it as the world’s smallest smart ring. The device is 40% smaller than its predecessor, the Ring 4, measuring 6.09 mm wide and 2.28 mm thick, with a weight between 2 grams and 2.69 grams. Priced from $399, the Ring 5 offers improved comfort and aesthetics, with a battery life of six to nine days. It is available in sizes 6 to 13 and features a new physical vapor deposition coating for scratch resistance. New software features, including Blood Pressure Signals and Nighttime Breathing, are set to launch later this month.
The Ring 5 represents a significant reduction in size and weight compared to the Ring 4, which weighed between 3.3 grams and 5.2 grams. The reviewer found the Ring 5 more comfortable and aesthetically pleasing, noting it blends in with regular jewellery. The Ring 5 features a new physical vapor deposition (PVD) coating process intended to improve scratch resistance and retain its premium look. The Gold finish has been redesigned to have a truer gold tone without a yellow tinge.
The Ring 5 comes in fewer sizes (6 to 13) compared to the Ring 4 (4 to 15), due to manufacturing challenges with the smaller form factor. The reviewer tested the ring for five days, noting it arrived 50% charged and reached 75% after 30 minutes of charging. A potential scratch incident involving a rusty swing chain was resolved by cleaning, suggesting the PVD coating may resist permanent damage, though long-term durability is unconfirmed.
The Ring 4 will receive all new software updates, including the upcoming Blood Pressure Signals and Nighttime Breathing features.
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