If a smart watch just isn't the right fit for you, you can check out the Oura Ring in its latest iteration. And get it on sale for Prime Day.

And after spending months testing the Oura Ring and the Apple Watch for your Cosmo reading pleasure, I knew it was time to take things to the next level with a Very Serious Gadget—the WHOOP, a screen-free health and fitness tracker worn by Sha’Carri Richardson,

Smartwatches aren’t for everyone. Maybe you don’t want to wear a screen-equipped gadget to bed, or you’re just after something that’s less obtrusive. Subtlety is where smart rings like the Oura Ring 4 shine, and Prime Day has knocked down its cost. It costs $296.65 ($52.35) from Amazon, which is both its best price and first significant discount.