Oura's Ring 4 focuses on functional comfort with a sleeker design, prioritizing user experience with a flat interior, making it more comfortable than the previous model.
While Oura’s previous model had protruded sensor domes that sometimes left impressions on the skin, the new Ring 4 incorporates recessed sensors, allowing for extended wear without irritation.
The Ring 4 offers an extended battery life of eight days, which is significantly better than competitors' offerings, making it a standout in the smart ring market.
Despite improving comfort with the new design, the removal of the grip-inducing sensor domes has resulted in concerns about the ring slipping off during sleep.
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