Why the Oura Ring 4 is still the best smart ring on the market - and I've tested dozens of them
Briefly

Oura's new Ring 4 distinguishes itself in the crowded smart ring market by emphasizing user comfort and inclusivity in sizing, ranging from sizes four to 15. This addresses previous comfort issues noted with the Ring 3, which had protruded sensor domes that caused discomfort. Ring 4 features recessed sensors for a flatter design, though some users have reported issues with the ring slipping off at night. Overall, Oura aims to position its smart ring as a comprehensive health-tracking tool in the increasingly competitive wearables space.
Oura's Ring 4 offers an impressive range of sizes, from four to 15, ensuring a comfortable fit for different finger sizes. This inclusivity is a significant advantage over competitors.
The recessed smart sensors in Ring 4 improve comfort significantly, making the device less intrusive and easier to wear for extended hours, unlike the previous model.
Read at ZDNET
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