Oura has long been topping the charts when it comes to the best smart rings – its first ring launched in 2015 – and its 4th-generation model has now launched. If you're after a complete guide to the Oura Ring 4 and everything it offers, you've come to the right place.
Check out our Oura Ring 3 review and you'll see that this 2024 model had a lot to live up to: we awarded the 3rd-gen edition four stars out of five, praising its advanced sensor setup and the significant improvements that it offered across the board over its predecessor.
