The Oura Ring 4 is our choice as the best smart ring, and its Brushed Silver variant is on sale for the first time during Amazon's Prime Day at 15% off.

For the first time ever, Oura Ring is marking down its latest iteration, the Oura Ring 4, for Prime Day. We're pointing out this deal so you can score our favourite smart ring at a discounted price. Oura is doing a 15% discount on their brand new tech across the board, which means you can score your colourway of choice.

The black and silver versions of the smart ring are on sale for $297, while the brushed silver and dark gray colors are on sale for $339, and the gold version is on sale for $424.