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Posted by Redaktion
 - Today at 13:05:21
While Oura is developing a smart ring with a replaceable battery, the company also plans to use the PPG sensor in the future to measure ambient light. This could allow lamps or blinds, for example, to be controlled automatically to promote better sleep.

https://www.notebookcheck.net/Patent-Oura-Smart-Ring-could-measure-light-and-control-smart-home-to-improve-sleep.1345276.0.html