The company says the feature is designed for situations where users might be discussing something personal or planning a surprise and want to keep those conversations private when handing their device to friends or family to show them something in another chat.

Court documents show TikTok employees were frustrated with how executives responded to their concerns about risks to children.

While Oura has largely dominated the smart ring market for years, rivals like RingConn and Ultrahuman are emerging to dethrone it, putting pressure on the company to keep innovating. By launching more advanced workout metrics, Oura is looking to differentiate itself from competitors as the smart ring market gets more crowded.